158904384 has 56 divisors (see below), whose sum is σ = 421587168. Its totient is φ = 52823040.

The previous prime is 158904379. The next prime is 158904407. The reversal of 158904384 is 483409851.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 86839 + ... + 88649.

Almost surely, 2^158904384 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 158904384, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (210793584).

158904384 is an abundant number, since it is smaller than the sum of its proper divisors (262682784).

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

158904384 is a wasteful number, since it uses less digits than its factorization.

158904384 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2283 (or 2273 counting only the distinct ones).

The product of its (nonzero) digits is 138240, while the sum is 42.

The square root of 158904384 is about 12605.7282217252. The cubic root of 158904384 is about 541.6415343711.

The spelling of 158904384 in words is "one hundred fifty-eight million, nine hundred four thousand, three hundred eighty-four".