158263478 has 16 divisors (see below), whose sum is σ = 243326160. Its totient is φ = 77161056.

The previous prime is 158263477. The next prime is 158263481. The reversal of 158263478 is 874362851.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (158263477) 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, 67388 + ... + 69696.

It is an arithmetic number, because the mean of its divisors is an integer number (15207885).

Almost surely, 2^158263478 is an apocalyptic number.

158263478 is a deficient number, since it is larger than the sum of its proper divisors (85062682).

158263478 is a wasteful number, since it uses less digits than its factorization.

158263478 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3151.

The product of its digits is 322560, while the sum is 44.

The square root of 158263478 is about 12580.2813164094. The cubic root of 158263478 is about 540.9123556973.

The spelling of 158263478 in words is "one hundred fifty-eight million, two hundred sixty-three thousand, four hundred seventy-eight".