158505264 has 60 divisors (see below), whose sum is σ = 445424616. Its totient is φ = 52617216.

The previous prime is 158505251. The next prime is 158505289. The reversal of 158505264 is 462505851.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 34867 + ... + 39149.

Almost surely, 2^158505264 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 158505264, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (222712308).

158505264 is an abundant number, since it is smaller than the sum of its proper divisors (286919352).

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

158505264 is a wasteful number, since it uses less digits than its factorization.

158505264 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4554 (or 4545 counting only the distinct ones).

The product of its (nonzero) digits is 48000, while the sum is 36.

The square root of 158505264 is about 12589.8873704255. The cubic root of 158505264 is about 541.1876739851.

The spelling of 158505264 in words is "one hundred fifty-eight million, five hundred five thousand, two hundred sixty-four".