156075049 has 15 divisors (see below), whose sum is σ = 174637815. Its totient is φ = 139421880.

The previous prime is 156075043. The next prime is 156075083. The reversal of 156075049 is 940570651.

The square root of 156075049 is 12493.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 23088025 + 132987024 = 4805^2 + 11532^2 .

It is not a de Polignac number, because 156075049 - 2³ = 156075041 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 156074999 and 156075017.

It is not an unprimeable number, because it can be changed into a prime (156075041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 14 ways as a sum of consecutive naturals, for example, 5034664 + ... + 5034694.

It is an arithmetic number, because the mean of its divisors is an integer number (11642521).

Almost surely, 2^156075049 is an apocalyptic number.

156075049 is the 12493-rd square number.

156075049 is the 6247-th centered octagonal number.

It is an amenable number.

156075049 is a deficient number, since it is larger than the sum of its proper divisors (18562766).

156075049 is an frugal number, since it uses more digits than its factorization.

156075049 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 150 (or 44 counting only the distinct ones).

The product of its (nonzero) digits is 37800, while the sum is 37.

The cubic root of 156075049 is about 538.4075731647.

The spelling of 156075049 in words is "one hundred fifty-six million, seventy-five thousand, forty-nine".