158943937 has 4 divisors (see below), whose sum is σ = 161182656. Its totient is φ = 156705220.

The previous prime is 158943871. The next prime is 158943973. The reversal of 158943937 is 739349851.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 158943937 - 2¹⁵ = 158911169 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (158943977) 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 3 ways as a sum of consecutive naturals, for example, 1119253 + ... + 1119394.

It is an arithmetic number, because the mean of its divisors is an integer number (40295664).

Almost surely, 2^158943937 is an apocalyptic number.

It is an amenable number.

158943937 is a deficient number, since it is larger than the sum of its proper divisors (2238719).

158943937 is an equidigital number, since it uses as much as digits as its factorization.

158943937 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2238718.

The product of its digits is 816480, while the sum is 49.

The square root of 158943937 is about 12607.2969743716. The cubic root of 158943937 is about 541.6864707657.

The spelling of 158943937 in words is "one hundred fifty-eight million, nine hundred forty-three thousand, nine hundred thirty-seven".