158230732 has 18 divisors (see below), whose sum is σ = 304366244. Its totient is φ = 71922840.

The previous prime is 158230729. The next prime is 158230733. The reversal of 158230732 is 237032851.

158230732 is digitally balanced in base 2 and base 3, because in such bases 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 = 158230694 and 158230703.

It is not an unprimeable number, because it can be changed into a prime (158230733) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 162978 + ... + 163945.

Almost surely, 2^158230732 is an apocalyptic number.

It is an amenable number.

158230732 is a deficient number, since it is larger than the sum of its proper divisors (146135512).

158230732 is a wasteful number, since it uses less digits than its factorization.

158230732 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 326949 (or 326936 counting only the distinct ones).

The product of its (nonzero) digits is 10080, while the sum is 31.

The square root of 158230732 is about 12578.9797678508. The cubic root of 158230732 is about 540.8750467364.

The spelling of 158230732 in words is "one hundred fifty-eight million, two hundred thirty thousand, seven hundred thirty-two".