158642560 has 32 divisors (see below), whose sum is σ = 379256400. Its totient is φ = 63456768.

The previous prime is 158642537. The next prime is 158642567. The reversal of 158642560 is 65246851.

It is a tau number, because it is divible by the number of its divisors (32).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (158642567) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 123300 + ... + 124579.

Almost surely, 2^158642560 is an apocalyptic number.

158642560 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

158642560 is an abundant number, since it is smaller than the sum of its proper divisors (220613840).

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

158642560 is an equidigital number, since it uses as much as digits as its factorization.

158642560 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 247898 (or 247886 counting only the distinct ones).

The product of its (nonzero) digits is 57600, while the sum is 37.

The square root of 158642560 is about 12595.3388203732. The cubic root of 158642560 is about 541.3438863778.

The spelling of 158642560 in words is "one hundred fifty-eight million, six hundred forty-two thousand, five hundred sixty".