245231604 has 24 divisors (see below), whose sum is σ = 635785920. Its totient is φ = 81743832.

The previous prime is 245231599. The next prime is 245231621. The reversal of 245231604 is 406132542.

245231604 is a `hidden beast` number, since 2 + 4 + 52 + 3 + 1 + 604 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1135224 + ... + 1135439.

It is an arithmetic number, because the mean of its divisors is an integer number (26491080).

Almost surely, 2^245231604 is an apocalyptic number.

It is an amenable number.

245231604 is an abundant number, since it is smaller than the sum of its proper divisors (390554316).

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

245231604 is a wasteful number, since it uses less digits than its factorization.

245231604 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2270676 (or 2270668 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 27.

The square root of 245231604 is about 15659.8724132734. The cubic root of 245231604 is about 625.9295854546.

The spelling of 245231604 in words is "two hundred forty-five million, two hundred thirty-one thousand, six hundred four".