158193924 has 48 divisors (see below), whose sum is σ = 444057600. Its totient is φ = 42818976.

The previous prime is 158193911. The next prime is 158193953. The reversal of 158193924 is 429391851.

It is a Harshad number since it is a multiple of its sum of digits (42).

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 15 ways as a sum of consecutive naturals, for example, 47964 + ... + 51155.

It is an arithmetic number, because the mean of its divisors is an integer number (9251200).

Almost surely, 2^158193924 is an apocalyptic number.

158193924 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

158193924 is an abundant number, since it is smaller than the sum of its proper divisors (285863676).

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

158193924 is a wasteful number, since it uses less digits than its factorization.

158193924 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 99152 (or 99150 counting only the distinct ones).

The product of its digits is 77760, while the sum is 42.

The square root of 158193924 is about 12577.5166070254. The cubic root of 158193924 is about 540.8331036145.

The spelling of 158193924 in words is "one hundred fifty-eight million, one hundred ninety-three thousand, nine hundred twenty-four".