158322852 has 36 divisors (see below), whose sum is σ = 411024796. Its totient is φ = 51347520.

The previous prime is 158322851. The next prime is 158322863. The reversal of 158322852 is 258223851.

158322852 is a `hidden beast` number, since 1 + 583 + 2 + 28 + 52 = 666.

158322852 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 82737216 + 75585636 = 9096^2 + 8694^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a super-2 number, since 2×158322852² = 50132250930827808, which contains 22 as substring.

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

It is not an unprimeable number, because it can be changed into a prime (158322851) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 58099 + ... + 60762.

Almost surely, 2^158322852 is an apocalyptic number.

158322852 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

158322852 is an abundant number, since it is smaller than the sum of its proper divisors (252701944).

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

158322852 is a wasteful number, since it uses less digits than its factorization.

158322852 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 118908 (or 118903 counting only the distinct ones).

The product of its digits is 38400, while the sum is 36.

The square root of 158322852 is about 12582.6408992707. The cubic root of 158322852 is about 540.9799899893.

Subtracting 158322852 from its reverse (258223851), we obtain a palindrome (99900999).

The spelling of 158322852 in words is "one hundred fifty-eight million, three hundred twenty-two thousand, eight hundred fifty-two".