Search a number
-
+
145625562 = 23237218657
BaseRepresentation
bin10001010111000…
…01000111011010
3101011000112201100
420223201013122
5244240004222
622241132230
73415540215
oct1053410732
9334015640
10145625562
1175224705
124092a076
1324229a94
14154aa77c
15cbb84ac
hex8ae11da

145625562 has 24 divisors (see below), whose sum is σ = 324051156. Its totient is φ = 47229696.

The previous prime is 145625533. The next prime is 145625573. The reversal of 145625562 is 265526541.

145625562 is a `hidden beast` number, since 1 + 45 + 62 + 556 + 2 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 136679481 + 8946081 = 11691^2 + 2991^2 .

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 108663 + ... + 109994.

Almost surely, 2145625562 is an apocalyptic number.

145625562 is an abundant number, since it is smaller than the sum of its proper divisors (178425594).

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

145625562 is a wasteful number, since it uses less digits than its factorization.

145625562 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 218702 (or 218699 counting only the distinct ones).

The product of its digits is 72000, while the sum is 36.

The square root of 145625562 is about 12067.5416717739. The cubic root of 145625562 is about 526.1132079578.

The spelling of 145625562 in words is "one hundred forty-five million, six hundred twenty-five thousand, five hundred sixty-two".

Divisors: 1 2 3 6 9 18 37 74 111 222 333 666 218657 437314 655971 1311942 1967913 3935826 8090309 16180618 24270927 48541854 72812781 145625562