158987424 has 24 divisors (see below), whose sum is σ = 417342240. Its totient is φ = 52995776.

The previous prime is 158987399. The next prime is 158987441. The reversal of 158987424 is 424789851.

It is a happy number.

158987424 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (24).

It is a Harshad number since it is a multiple of its sum of digits (48).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 827964 + ... + 828155.

It is an arithmetic number, because the mean of its divisors is an integer number (17389260).

Almost surely, 2^158987424 is an apocalyptic number.

It is an amenable number.

158987424 is an abundant number, since it is smaller than the sum of its proper divisors (258354816).

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

158987424 is a wasteful number, since it uses less digits than its factorization.

158987424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1656132 (or 1656124 counting only the distinct ones).

The product of its digits is 645120, while the sum is 48.

The square root of 158987424 is about 12609.0215322205. The cubic root of 158987424 is about 541.7358679976.

The spelling of 158987424 in words is "one hundred fifty-eight million, nine hundred eighty-seven thousand, four hundred twenty-four".