158241939942 has 32 divisors (see below), whose sum is σ = 326355674112. Its totient is φ = 51123806784.

The previous prime is 158241939931. The next prime is 158241939991. The reversal of 158241939942 is 249939142851.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2694943 + ... + 2753034.

It is an arithmetic number, because the mean of its divisors is an integer number (10198614816).

Almost surely, 2^158241939942 is an apocalyptic number.

158241939942 is an abundant number, since it is smaller than the sum of its proper divisors (168113734170).

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

158241939942 is a wasteful number, since it uses less digits than its factorization.

158241939942 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5448132.

The product of its digits is 5598720, while the sum is 57.

The spelling of 158241939942 in words is "one hundred fifty-eight billion, two hundred forty-one million, nine hundred thirty-nine thousand, nine hundred forty-two".