158478942 has 16 divisors (see below), whose sum is σ = 318089232. Its totient is φ = 52637760.

The previous prime is 158478941. The next prime is 158478967. The reversal of 158478942 is 249874851.

It is a happy number.

158478942 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 158478891 and 158478900.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (158478941) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 45313 + ... + 48684.

It is an arithmetic number, because the mean of its divisors is an integer number (19880577).

Almost surely, 2^158478942 is an apocalyptic number.

158478942 is an abundant number, since it is smaller than the sum of its proper divisors (159610290).

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

158478942 is a wasteful number, since it uses less digits than its factorization.

158478942 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 94283.

The product of its digits is 645120, while the sum is 48.

The square root of 158478942 is about 12588.8419642158. The cubic root of 158478942 is about 541.1577150840.

The spelling of 158478942 in words is "one hundred fifty-eight million, four hundred seventy-eight thousand, nine hundred forty-two".