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145650276 = 223219316869
BaseRepresentation
bin10001010111001…
…11001001100100
3101011001210121200
420223213021210
5244241302101
622241442500
73416002242
oct1053471144
9334053550
10145650276
1175241232
1240940430
13242380c5
14154b5792
15cbc0986
hex8ae7264

145650276 has 72 divisors (see below), whose sum is σ = 400108800. Its totient is φ = 44504640.

The previous prime is 145650259. The next prime is 145650277. The reversal of 145650276 is 672056541.

It is a happy number.

145650276 is a `hidden beast` number, since 145 + 6 + 502 + 7 + 6 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 145650276.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145650277) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 17770 + ... + 24638.

Almost surely, 2145650276 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 145650276, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (200054400).

145650276 is an abundant number, since it is smaller than the sum of its proper divisors (254458524).

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

145650276 is a wasteful number, since it uses less digits than its factorization.

145650276 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6929 (or 6924 counting only the distinct ones).

The product of its (nonzero) digits is 50400, while the sum is 36.

The square root of 145650276 is about 12068.5656148525. The cubic root of 145650276 is about 526.1429683611.

The spelling of 145650276 in words is "one hundred forty-five million, six hundred fifty thousand, two hundred seventy-six".

Divisors: 1 2 3 4 6 9 12 18 19 31 36 38 57 62 76 93 114 124 171 186 228 279 342 372 558 589 684 1116 1178 1767 2356 3534 5301 6869 7068 10602 13738 20607 21204 27476 41214 61821 82428 123642 130511 212939 247284 261022 391533 425878 522044 638817 783066 851756 1174599 1277634 1566132 1916451 2349198 2555268 3832902 4045841 4698396 7665804 8091682 12137523 16183364 24275046 36412569 48550092 72825138 145650276