158823252 has 72 divisors (see below), whose sum is σ = 469525056. Its totient is φ = 44319744.

The previous prime is 158823251. The next prime is 158823281. The reversal of 158823252 is 252328851.

158823252 is a `hidden beast` number, since 1 + 588 + 23 + 2 + 52 = 666.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (158823251) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3508 + ... + 18164.

Almost surely, 2^158823252 is an apocalyptic number.

158823252 is a gapful number since it is divisible by the number (12) 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 158823252, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (234762528).

158823252 is an abundant number, since it is smaller than the sum of its proper divisors (310701804).

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

158823252 is a wasteful number, since it uses less digits than its factorization.

158823252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14717 (or 14712 counting only the distinct ones).

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

The square root of 158823252 is about 12602.5097500458. The cubic root of 158823252 is about 541.5493364910.

The spelling of 158823252 in words is "one hundred fifty-eight million, eight hundred twenty-three thousand, two hundred fifty-two".