245660364 has 36 divisors (see below), whose sum is σ = 643976424. Its totient is φ = 81886464.

The previous prime is 245660351. The next prime is 245660369. The reversal of 245660364 is 463066542.

245660364 is a `hidden beast` number, since 2 + 45 + 6 + 603 + 6 + 4 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a super-2 number, since 2×245660364² = 120698028881224992, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (245660369) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 125397 + ... + 127340.

It is an arithmetic number, because the mean of its divisors is an integer number (17888234).

Almost surely, 2^245660364 is an apocalyptic number.

It is an amenable number.

245660364 is an abundant number, since it is smaller than the sum of its proper divisors (398316060).

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

245660364 is a wasteful number, since it uses less digits than its factorization.

245660364 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 252756 (or 252742 counting only the distinct ones).

The product of its (nonzero) digits is 103680, while the sum is 36.

The square root of 245660364 is about 15673.5562014496. The cubic root of 245660364 is about 626.2941623272.

The spelling of 245660364 in words is "two hundred forty-five million, six hundred sixty thousand, three hundred sixty-four".