158043920 has 40 divisors (see below), whose sum is σ = 376005696. Its totient is φ = 61746048.

The previous prime is 158043887. The next prime is 158043923. The reversal of 158043920 is 29340851.

It is a tau number, because it is divible by the number of its divisors (40).

It is not an unprimeable number, because it can be changed into a prime (158043923) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19532 + ... + 26411.

Almost surely, 2^158043920 is an apocalyptic number.

158043920 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

158043920 is an abundant number, since it is smaller than the sum of its proper divisors (217961776).

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

158043920 is a wasteful number, since it uses less digits than its factorization.

158043920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45999 (or 45993 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 32.

The square root of 158043920 is about 12571.5520123810. The cubic root of 158043920 is about 540.6621050858.

The spelling of 158043920 in words is "one hundred fifty-eight million, forty-three thousand, nine hundred twenty".