158680457 has 32 divisors (see below), whose sum is σ = 187689600. Its totient is φ = 132876288.

The previous prime is 158680453. The next prime is 158680469. The reversal of 158680457 is 754086851.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 158680457 - 2² = 158680453 is a prime.

It is not an unprimeable number, because it can be changed into a prime (158680453) 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 31 ways as a sum of consecutive naturals, for example, 886394 + ... + 886572.

It is an arithmetic number, because the mean of its divisors is an integer number (5865300).

Almost surely, 2^158680457 is an apocalyptic number.

It is an amenable number.

158680457 is a deficient number, since it is larger than the sum of its proper divisors (29009143).

158680457 is a wasteful number, since it uses less digits than its factorization.

158680457 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 345.

The product of its (nonzero) digits is 268800, while the sum is 44.

The square root of 158680457 is about 12596.8431362782. The cubic root of 158680457 is about 541.3869888843.

The spelling of 158680457 in words is "one hundred fifty-eight million, six hundred eighty thousand, four hundred fifty-seven".