158381037342 has 128 divisors (see below), whose sum is σ = 389348121600. Its totient is φ = 47324736000.

The previous prime is 158381037337. The next prime is 158381037359. The reversal of 158381037342 is 243730183851.

158381037342 is a `hidden beast` number, since 1 + 583 + 8 + 1 + 0 + 37 + 34 + 2 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 12281634 + ... + 12294522.

It is an arithmetic number, because the mean of its divisors is an integer number (3041782200).

Almost surely, 2^158381037342 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 158381037342, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (194674060800).

158381037342 is an abundant number, since it is smaller than the sum of its proper divisors (230967084258).

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

158381037342 is a wasteful number, since it uses less digits than its factorization.

158381037342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13199 (or 13193 counting only the distinct ones).

The product of its (nonzero) digits is 483840, while the sum is 45.

The spelling of 158381037342 in words is "one hundred fifty-eight billion, three hundred eighty-one million, thirty-seven thousand, three hundred forty-two".