156828744 has 64 divisors (see below), whose sum is σ = 439142400. Its totient is φ = 51855552.

The previous prime is 156828739. The next prime is 156828761. The reversal of 156828744 is 447828651.

156828744 is a `hidden beast` number, since 1 + 568 + 2 + 87 + 4 + 4 = 666.

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

It is a self number, because there is not a number n which added to its sum of digits gives 156828744.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 24574 + ... + 30290.

It is an arithmetic number, because the mean of its divisors is an integer number (6861600).

Almost surely, 2^156828744 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 156828744, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (219571200).

156828744 is an abundant number, since it is smaller than the sum of its proper divisors (282313656).

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

156828744 is a wasteful number, since it uses less digits than its factorization.

156828744 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5859 (or 5849 counting only the distinct ones).

The product of its digits is 430080, while the sum is 45.

The square root of 156828744 is about 12523.1283631527. The cubic root of 156828744 is about 539.2728484344.

The spelling of 156828744 in words is "one hundred fifty-six million, eight hundred twenty-eight thousand, seven hundred forty-four".