158051520 has 224 divisors, whose sum is σ = 608624640. Its totient is φ = 38292480.

The previous prime is 158051513. The next prime is 158051521. The reversal of 158051520 is 25150851.

158051520 is a `hidden beast` number, since 15 + 80 + 51 + 520 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (158051521) 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 31 ways as a sum of consecutive naturals, for example, 94209 + ... + 95871.

Almost surely, 2^158051520 is an apocalyptic number.

158051520 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 158051520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (304312320).

158051520 is an abundant number, since it is smaller than the sum of its proper divisors (450573120).

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

158051520 is a wasteful number, since it uses less digits than its factorization.

158051520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1700 (or 1684 counting only the distinct ones).

The product of its (nonzero) digits is 2000, while the sum is 27.

The square root of 158051520 is about 12571.8542785064. The cubic root of 158051520 is about 540.6707713817.

The spelling of 158051520 in words is "one hundred fifty-eight million, fifty-one thousand, five hundred twenty".