158047432 has 8 divisors (see below), whose sum is σ = 296338950. Its totient is φ = 79023712.

The previous prime is 158047411. The next prime is 158047441. The reversal of 158047432 is 234740851.

158047432 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 can be written as a sum of positive squares in only one way, i.e., 130736356 + 27311076 = 11434^2 + 5226^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9877957 + ... + 9877972.

Almost surely, 2^158047432 is an apocalyptic number.

It is an amenable number.

158047432 is a deficient number, since it is larger than the sum of its proper divisors (138291518).

158047432 is a wasteful number, since it uses less digits than its factorization.

158047432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19755935 (or 19755931 counting only the distinct ones).

The product of its (nonzero) digits is 26880, while the sum is 34.

The square root of 158047432 is about 12571.6916920516. The cubic root of 158047432 is about 540.6661098613. Note that the first 3 decimals are identical.

The spelling of 158047432 in words is "one hundred fifty-eight million, forty-seven thousand, four hundred thirty-two".