158351442 has 32 divisors (see below), whose sum is σ = 322237440. Its totient is φ = 51866640.

The previous prime is 158351429. The next prime is 158351443. The reversal of 158351442 is 244153851.

It is not an unprimeable number, because it can be changed into a prime (158351443) 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, 213909 + ... + 214647.

It is an arithmetic number, because the mean of its divisors is an integer number (10069920).

Almost surely, 2^158351442 is an apocalyptic number.

158351442 is an abundant number, since it is smaller than the sum of its proper divisors (163885998).

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

158351442 is a wasteful number, since it uses less digits than its factorization.

158351442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1318.

The product of its digits is 19200, while the sum is 33.

The square root of 158351442 is about 12583.7769369931. The cubic root of 158351442 is about 541.0125514859.

The spelling of 158351442 in words is "one hundred fifty-eight million, three hundred fifty-one thousand, four hundred forty-two".