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149528925 = 325271367109
BaseRepresentation
bin10001110100110…
…10000101011101
3101102100212010100
420322122011131
5301234411200
622500531313
73463655250
oct1072320535
9342325110
10149528925
1177450327
12420b0b39
1324c95670
1415c05097
15d1d9d00
hex8e9a15d

149528925 has 144 divisors (see below), whose sum is σ = 337617280. Its totient is φ = 61585920.

The previous prime is 149528921. The next prime is 149528933. The reversal of 149528925 is 529825941.

It is a happy number.

149528925 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 149528925 - 22 = 149528921 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (149528921) by changing a digit.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 1371771 + ... + 1371879.

Almost surely, 2149528925 is an apocalyptic number.

149528925 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

149528925 is an abundant number, since it is smaller than the sum of its proper divisors (188088355).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

149528925 is a wasteful number, since it uses less digits than its factorization.

149528925 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 212 (or 204 counting only the distinct ones).

The product of its digits is 259200, while the sum is 45.

The square root of 149528925 is about 12228.2020346411. The cubic root of 149528925 is about 530.7724881047.

The spelling of 149528925 in words is "one hundred forty-nine million, five hundred twenty-eight thousand, nine hundred twenty-five".

Divisors: 1 3 5 7 9 13 15 21 25 35 39 45 63 65 67 75 91 105 109 117 175 195 201 225 273 315 325 327 335 455 469 525 545 585 603 763 819 871 975 981 1005 1365 1407 1417 1575 1635 1675 2275 2289 2345 2613 2725 2925 3015 3815 4095 4221 4251 4355 4905 5025 6097 6825 6867 7035 7085 7303 7839 8175 9919 11445 11725 12753 13065 15075 18291 19075 20475 21105 21255 21775 21909 24525 29757 30485 34335 35175 35425 36515 39195 49595 51121 54873 57225 63765 65325 65727 89271 91455 94939 105525 106275 109545 148785 152425 153363 171675 182575 195975 247975 255605 274365 284817 318825 328635 446355 457275 460089 474695 547725 664573 743925 766815 854451 1278025 1371825 1424085 1643175 1993719 2231775 2300445 2373475 3322865 3834075 4272255 5981157 7120425 9968595 11502225 16614325 21361275 29905785 49842975 149528925