157858092 has 48 divisors (see below), whose sum is σ = 467729920. Its totient is φ = 45102096.

The previous prime is 157858081. The next prime is 157858093. The reversal of 157858092 is 290858751.

It is a happy number.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (157858093) 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 15 ways as a sum of consecutive naturals, for example, 103648 + ... + 105159.

Almost surely, 2^157858092 is an apocalyptic number.

157858092 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

157858092 is an abundant number, since it is smaller than the sum of its proper divisors (309871828).

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

157858092 is a wasteful number, since it uses less digits than its factorization.

157858092 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 208827 (or 208819 counting only the distinct ones).

The product of its (nonzero) digits is 201600, while the sum is 45.

The square root of 157858092 is about 12564.1590247816. The cubic root of 157858092 is about 540.4501185253.

The spelling of 157858092 in words is "one hundred fifty-seven million, eight hundred fifty-eight thousand, ninety-two".