245562972 has 12 divisors (see below), whose sum is σ = 572980296. Its totient is φ = 81854320.

The previous prime is 245562959. The next prime is 245562983. The reversal of 245562972 is 279265542.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10231779 + ... + 10231802.

It is an arithmetic number, because the mean of its divisors is an integer number (47748358).

Almost surely, 2^245562972 is an apocalyptic number.

It is an amenable number.

245562972 is an abundant number, since it is smaller than the sum of its proper divisors (327417324).

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

245562972 is a wasteful number, since it uses less digits than its factorization.

245562972 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20463588 (or 20463586 counting only the distinct ones).

The product of its digits is 302400, while the sum is 42.

The square root of 245562972 is about 15670.4490044159. The cubic root of 245562972 is about 626.2113866575.

The spelling of 245562972 in words is "two hundred forty-five million, five hundred sixty-two thousand, nine hundred seventy-two".