156087828 has 72 divisors (see below), whose sum is σ = 427314888. Its totient is φ = 47755008.

The previous prime is 156087791. The next prime is 156087847. The reversal of 156087828 is 828780651.

156087828 is a `hidden beast` number, since 1 + 560 + 8 + 7 + 82 + 8 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 30603024 + 125484804 = 5532^2 + 11202^2 .

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 91350 + ... + 93042.

It is an arithmetic number, because the mean of its divisors is an integer number (5934929).

Almost surely, 2^156087828 is an apocalyptic number.

156087828 is a gapful number since it is divisible by the number (18) 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 156087828, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (213657444).

156087828 is an abundant number, since it is smaller than the sum of its proper divisors (271227060).

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

156087828 is a wasteful number, since it uses less digits than its factorization.

156087828 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1913 (or 1908 counting only the distinct ones).

The product of its (nonzero) digits is 215040, while the sum is 45.

The square root of 156087828 is about 12493.5114359415. The cubic root of 156087828 is about 538.4222672123.

It can be divided in two parts, 15608 and 7828, that added together give a triangular number (23436 = T₂₁₆).

The spelling of 156087828 in words is "one hundred fifty-six million, eighty-seven thousand, eight hundred twenty-eight".