182997945 has 48 divisors (see below), whose sum is σ = 361709712. Its totient is φ = 84787200.

The previous prime is 182997907. The next prime is 182997953. The reversal of 182997945 is 549799281.

It can be written as a sum of positive squares in 8 ways, for example, as 3732624 + 179265321 = 1932^2 + 13389^2 .

It is not a de Polignac number, because 182997945 - 2¹² = 182993849 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 182997891 and 182997900.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 745 + ... + 19145.

It is an arithmetic number, because the mean of its divisors is an integer number (7535619).

Almost surely, 2^182997945 is an apocalyptic number.

182997945 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

182997945 is a deficient number, since it is larger than the sum of its proper divisors (178711767).

182997945 is a wasteful number, since it uses less digits than its factorization.

182997945 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18442 (or 18439 counting only the distinct ones).

The product of its digits is 1632960, while the sum is 54.

The square root of 182997945 is about 13527.6733032699. The cubic root of 182997945 is about 567.7390119253.

It can be divided in two parts, 18299 and 7945, that added together give a square (26244 = 162²).

The spelling of 182997945 in words is "one hundred eighty-two million, nine hundred ninety-seven thousand, nine hundred forty-five".