158458860 has 144 divisors (see below), whose sum is σ = 578323200. Its totient is φ = 34307712.

The previous prime is 158458829. The next prime is 158458877. The reversal of 158458860 is 68854851.

158458860 is a `hidden beast` number, since 1 + 5 + 8 + 4 + 588 + 60 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 20631 + ... + 27249.

Almost surely, 2^158458860 is an apocalyptic number.

158458860 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 158458860, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (289161600).

158458860 is an abundant number, since it is smaller than the sum of its proper divisors (419864340).

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

158458860 is a wasteful number, since it uses less digits than its factorization.

158458860 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6660 (or 6655 counting only the distinct ones).

The product of its (nonzero) digits is 307200, while the sum is 45.

The square root of 158458860 is about 12588.0443278533. The cubic root of 158458860 is about 541.1348561305.

The spelling of 158458860 in words is "one hundred fifty-eight million, four hundred fifty-eight thousand, eight hundred sixty".