158033920 has 192 divisors, whose sum is σ = 438721920. Its totient is φ = 54067200.

The previous prime is 158033917. The next prime is 158033923. The reversal of 158033920 is 29330851.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (158033917) and next prime (158033923).

It is not an unprimeable number, because it can be changed into a prime (158033923) 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, 2590690 + ... + 2590750.

It is an arithmetic number, because the mean of its divisors is an integer number (2285010).

Almost surely, 2^158033920 is an apocalyptic number.

158033920 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 158033920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (219360960).

158033920 is an abundant number, since it is smaller than the sum of its proper divisors (280688000).

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

158033920 is a wasteful number, since it uses less digits than its factorization.

158033920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 122 (or 102 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 31.

The square root of 158033920 is about 12571.1542827220. The cubic root of 158033920 is about 540.6507016416.

The spelling of 158033920 in words is "one hundred fifty-eight million, thirty-three thousand, nine hundred twenty".