182157812 has 6 divisors (see below), whose sum is σ = 318776178. Its totient is φ = 91078904.

The previous prime is 182157809. The next prime is 182157817. The reversal of 182157812 is 218751281.

It can be written as a sum of positive squares in only one way, i.e., 168065296 + 14092516 = 12964^2 + 3754^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (182157817) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22769723 + ... + 22769730.

It is an arithmetic number, because the mean of its divisors is an integer number (53129363).

Almost surely, 2^182157812 is an apocalyptic number.

It is an amenable number.

182157812 is a deficient number, since it is larger than the sum of its proper divisors (136618366).

182157812 is a wasteful number, since it uses less digits than its factorization.

182157812 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45539457 (or 45539455 counting only the distinct ones).

The product of its digits is 8960, while the sum is 35.

The square root of 182157812 is about 13496.5851977454. The cubic root of 182157812 is about 566.8688599495.

The spelling of 182157812 in words is "one hundred eighty-two million, one hundred fifty-seven thousand, eight hundred twelve".