245630992 has 10 divisors (see below), whose sum is σ = 475910078. Its totient is φ = 122815488.

The previous prime is 245630981. The next prime is 245631059. The reversal of 245630992 is 299036542.

It can be written as a sum of positive squares in only one way, i.e., 201753616 + 43877376 = 14204^2 + 6624^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7675953 + ... + 7675984.

Almost surely, 2^245630992 is an apocalyptic number.

It is an amenable number.

245630992 is a deficient number, since it is larger than the sum of its proper divisors (230279086).

245630992 is a wasteful number, since it uses less digits than its factorization.

245630992 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15351945 (or 15351939 counting only the distinct ones).

The product of its (nonzero) digits is 116640, while the sum is 40.

The square root of 245630992 is about 15672.6191812345. The cubic root of 245630992 is about 626.2692007027.

The spelling of 245630992 in words is "two hundred forty-five million, six hundred thirty thousand, nine hundred ninety-two".