158813457 has 32 divisors (see below), whose sum is σ = 244400640. Its totient is φ = 90720000.

The previous prime is 158813453. The next prime is 158813461. The reversal of 158813457 is 754318851.

158813457 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (158813453) and next prime (158813461).

It is not a de Polignac number, because 158813457 - 2² = 158813453 is a prime.

It is not an unprimeable number, because it can be changed into a prime (158813453) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 150582 + ... + 151632.

It is an arithmetic number, because the mean of its divisors is an integer number (7637520).

Almost surely, 2^158813457 is an apocalyptic number.

It is an amenable number.

158813457 is a deficient number, since it is larger than the sum of its proper divisors (85587183).

158813457 is a wasteful number, since it uses less digits than its factorization.

158813457 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1325.

The product of its digits is 134400, while the sum is 42.

The square root of 158813457 is about 12602.1211309843. The cubic root of 158813457 is about 541.5382033924.

The spelling of 158813457 in words is "one hundred fifty-eight million, eight hundred thirteen thousand, four hundred fifty-seven".