156145428 has 48 divisors (see below), whose sum is σ = 405516160. Its totient is φ = 51959232.

The previous prime is 156145417. The next prime is 156145433. The reversal of 156145428 is 824541651.

It is a happy number.

156145428 is a `hidden beast` number, since 15 + 614 + 5 + 4 + 28 = 666.

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

It is a junction number, because it is equal to n+sod(n) for n = 156145392 and 156145401.

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 15 ways as a sum of consecutive naturals, for example, 100425 + ... + 101967.

Almost surely, 2^156145428 is an apocalyptic number.

156145428 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

156145428 is an abundant number, since it is smaller than the sum of its proper divisors (249370732).

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

156145428 is a wasteful number, since it uses less digits than its factorization.

156145428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2493 (or 2485 counting only the distinct ones).

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

The square root of 156145428 is about 12495.8164199063. The cubic root of 156145428 is about 538.4884891356.

The spelling of 156145428 in words is "one hundred fifty-six million, one hundred forty-five thousand, four hundred twenty-eight".