158561046 has 24 divisors (see below), whose sum is σ = 392627664. Its totient is φ = 45303120.

The previous prime is 158561017. The next prime is 158561047. The reversal of 158561046 is 640165851.

158561046 is a `hidden beast` number, since 1 + 58 + 561 + 0 + 46 = 666.

It is a super-2 number, since 2×158561046² = 50283210617228232, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 158561046.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (158561047) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 629085 + ... + 629336.

It is an arithmetic number, because the mean of its divisors is an integer number (16359486).

Almost surely, 2^158561046 is an apocalyptic number.

158561046 is an abundant number, since it is smaller than the sum of its proper divisors (234066618).

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

158561046 is a wasteful number, since it uses less digits than its factorization.

158561046 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1258436 (or 1258433 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 36.

The square root of 158561046 is about 12592.1025249956. The cubic root of 158561046 is about 541.2511524029.

The spelling of 158561046 in words is "one hundred fifty-eight million, five hundred sixty-one thousand, forty-six".