158933040 has 80 divisors (see below), whose sum is σ = 563083008. Its totient is φ = 36327168.

The previous prime is 158933029. The next prime is 158933041. The reversal of 158933040 is 40339851.

It is a tau number, because it is divible by the number of its divisors (80).

It is a super-2 number, since 2×158933040² = 50519422407283200, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 158932992 and 158933010.

It is not an unprimeable number, because it can be changed into a prime (158933041) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 45622 + ... + 48981.

Almost surely, 2^158933040 is an apocalyptic number.

158933040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

158933040 is an abundant number, since it is smaller than the sum of its proper divisors (404149968).

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

158933040 is a wasteful number, since it uses less digits than its factorization.

158933040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 94626 (or 94620 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 33.

The square root of 158933040 is about 12606.8647966098. The cubic root of 158933040 is about 541.6740913644.

The spelling of 158933040 in words is "one hundred fifty-eight million, nine hundred thirty-three thousand, forty".