158864042 has 8 divisors (see below), whose sum is σ = 243366336. Its totient is φ = 77741932.

The previous prime is 158864039. The next prime is 158864047. The reversal of 158864042 is 240468851.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 158863987 and 158864005.

It is not an unprimeable number, because it can be changed into a prime (158864047) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 844928 + ... + 845115.

It is an arithmetic number, because the mean of its divisors is an integer number (30420792).

Almost surely, 2^158864042 is an apocalyptic number.

158864042 is a deficient number, since it is larger than the sum of its proper divisors (84502294).

158864042 is a wasteful number, since it uses less digits than its factorization.

158864042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1690092.

The product of its (nonzero) digits is 61440, while the sum is 38.

The square root of 158864042 is about 12604.1279745963. The cubic root of 158864042 is about 541.5956939069.

The spelling of 158864042 in words is "one hundred fifty-eight million, eight hundred sixty-four thousand, forty-two".