158403042 has 48 divisors (see below), whose sum is σ = 415314432. Its totient is φ = 42595200.

The previous prime is 158402999. The next prime is 158403079. The reversal of 158403042 is 240304851.

It is a junction number, because it is equal to n+sod(n) for n = 158402997 and 158403015.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 34834 + ... + 39117.

It is an arithmetic number, because the mean of its divisors is an integer number (8652384).

Almost surely, 2^158403042 is an apocalyptic number.

158403042 is an abundant number, since it is smaller than the sum of its proper divisors (256911390).

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

158403042 is a wasteful number, since it uses less digits than its factorization.

158403042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73983 (or 73980 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 27.

The square root of 158403042 is about 12585.8270288448. The cubic root of 158403042 is about 541.0713094309.

Adding to 158403042 its reverse (240304851), we get a palindrome (398707893).

The spelling of 158403042 in words is "one hundred fifty-eight million, four hundred three thousand, forty-two".