245632920 has 64 divisors (see below), whose sum is σ = 793588320. Its totient is φ = 60463104.

The previous prime is 245632913. The next prime is 245632943. The reversal of 245632920 is 29236542.

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, 77169 + ... + 80288.

Almost surely, 2^245632920 is an apocalyptic number.

245632920 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

245632920 is an abundant number, since it is smaller than the sum of its proper divisors (547955400).

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

245632920 is a wasteful number, since it uses less digits than its factorization.

245632920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 157484 (or 157480 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 33.

The square root of 245632920 is about 15672.6806896587. The cubic root of 245632920 is about 626.2708392634.

The spelling of 245632920 in words is "two hundred forty-five million, six hundred thirty-two thousand, nine hundred twenty".