Search a number
-
+
144928553 = 71117532089
BaseRepresentation
bin10001010001101…
…10111100101001
3101002201010121012
420220312330221
5244100203203
622214153305
73406605140
oct1050667451
9332633535
10144928553
1174898a70
1240652835
1324044753
1415368757
15cacbbd8
hex8a36f29

144928553 has 32 divisors (see below), whose sum is σ = 195022080. Its totient is φ = 104232960.

The previous prime is 144928529. The next prime is 144928559. The reversal of 144928553 is 355829441.

144928553 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 144928553 - 214 = 144912169 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 144928553.

It is not an unprimeable number, because it can be changed into a prime (144928559) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 68333 + ... + 70421.

It is an arithmetic number, because the mean of its divisors is an integer number (6094440).

Almost surely, 2144928553 is an apocalyptic number.

It is an amenable number.

144928553 is a deficient number, since it is larger than the sum of its proper divisors (50093527).

144928553 is a wasteful number, since it uses less digits than its factorization.

144928553 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2177.

The product of its digits is 172800, while the sum is 41.

The square root of 144928553 is about 12038.6275380543. The cubic root of 144928553 is about 525.2724850056.

The spelling of 144928553 in words is "one hundred forty-four million, nine hundred twenty-eight thousand, five hundred fifty-three".

Divisors: 1 7 11 17 53 77 119 187 371 583 901 1309 2089 4081 6307 9911 14623 22979 35513 69377 110717 160853 248591 390643 775019 1217887 1882189 2734501 8525209 13175323 20704079 144928553