158007434 has 16 divisors (see below), whose sum is σ = 263477760. Its totient is φ = 70573680.

The previous prime is 158007433. The next prime is 158007463. The reversal of 158007434 is 434700851.

It is a self number, because there is not a number n which added to its sum of digits gives 158007434.

It is not an unprimeable number, because it can be changed into a prime (158007433) 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, 97214 + ... + 98825.

It is an arithmetic number, because the mean of its divisors is an integer number (16467360).

Almost surely, 2^158007434 is an apocalyptic number.

158007434 is a deficient number, since it is larger than the sum of its proper divisors (105470326).

158007434 is a wasteful number, since it uses less digits than its factorization.

158007434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 196085.

The product of its (nonzero) digits is 13440, while the sum is 32.

The square root of 158007434 is about 12570.1007951408. The cubic root of 158007434 is about 540.6204961546.

The spelling of 158007434 in words is "one hundred fifty-eight million, seven thousand, four hundred thirty-four".