158508552 has 32 divisors (see below), whose sum is σ = 397396800. Its totient is φ = 52686144.

The previous prime is 158508529. The next prime is 158508557. The reversal of 158508552 is 255805851.

It is a super-2 number, since 2×158508552² = 50249922114273408, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 158508552.

It is not an unprimeable number, because it can be changed into a prime (158508557) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 583 + ... + 17814.

It is an arithmetic number, because the mean of its divisors is an integer number (12418650).

Almost surely, 2^158508552 is an apocalyptic number.

158508552 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

158508552 is an abundant number, since it is smaller than the sum of its proper divisors (238888248).

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

158508552 is a wasteful number, since it uses less digits than its factorization.

158508552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18765 (or 18761 counting only the distinct ones).

The product of its (nonzero) digits is 80000, while the sum is 39.

The square root of 158508552 is about 12590.0179507418. The cubic root of 158508552 is about 541.1914160538.

The spelling of 158508552 in words is "one hundred fifty-eight million, five hundred eight thousand, five hundred fifty-two".