158815051 has 2 divisors, whose sum is σ = 158815052. Its totient is φ = 158815050.

The previous prime is 158815031. The next prime is 158815073. The reversal of 158815051 is 150518851.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 158815051 - 2¹³ = 158806859 is a prime.

It is equal to p_8911591 and since 158815051 and 8911591 have the same sum of digits, it is a Honaker prime.

It is a junction number, because it is equal to n+sod(n) for n = 158814998 and 158815016.

It is not a weakly prime, because it can be changed into another prime (158815031) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 79407525 + 79407526.

It is an arithmetic number, because the mean of its divisors is an integer number (79407526).

Almost surely, 2^158815051 is an apocalyptic number.

158815051 is a deficient number, since it is larger than the sum of its proper divisors (1).

158815051 is an equidigital number, since it uses as much as digits as its factorization.

158815051 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8000, while the sum is 34.

The square root of 158815051 is about 12602.1843741472. The cubic root of 158815051 is about 541.5400151805.

The spelling of 158815051 in words is "one hundred fifty-eight million, eight hundred fifteen thousand, fifty-one".