158656242 has 32 divisors (see below), whose sum is σ = 328639680. Its totient is φ = 51030720.

The previous prime is 158656241. The next prime is 158656247. The reversal of 158656242 is 242656851.

It is a self number, because there is not a number n which added to its sum of digits gives 158656242.

It is not an unprimeable number, because it can be changed into a prime (158656241) 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, 15309 + ... + 23487.

It is an arithmetic number, because the mean of its divisors is an integer number (10269990).

Almost surely, 2^158656242 is an apocalyptic number.

158656242 is an abundant number, since it is smaller than the sum of its proper divisors (169983438).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

158656242 is a wasteful number, since it uses less digits than its factorization.

158656242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8298.

The product of its digits is 115200, while the sum is 39.

The square root of 158656242 is about 12595.8819460965. The cubic root of 158656242 is about 541.3594485198.

The spelling of 158656242 in words is "one hundred fifty-eight million, six hundred fifty-six thousand, two hundred forty-two".