158643795 has 16 divisors (see below), whose sum is σ = 255110400. Its totient is φ = 84183264.

The previous prime is 158643781. The next prime is 158643799. The reversal of 158643795 is 597346851.

It is not a de Polignac number, because 158643795 - 2⁸ = 158643539 is a prime.

It is a nialpdrome in base 15.

It is not an unprimeable number, because it can be changed into a prime (158643799) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 23589 + ... + 29558.

It is an arithmetic number, because the mean of its divisors is an integer number (15944400).

Almost surely, 2^158643795 is an apocalyptic number.

158643795 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

158643795 is a deficient number, since it is larger than the sum of its proper divisors (96466605).

158643795 is a wasteful number, since it uses less digits than its factorization.

158643795 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53354.

The product of its digits is 907200, while the sum is 48.

The square root of 158643795 is about 12595.3878463507. The cubic root of 158643795 is about 541.3452911248.

The spelling of 158643795 in words is "one hundred fifty-eight million, six hundred forty-three thousand, seven hundred ninety-five".