245234646 has 12 divisors (see below), whose sum is σ = 531341772. Its totient is φ = 81744876.

The previous prime is 245234623. The next prime is 245234651. The reversal of 245234646 is 646432542.

245234646 is a `hidden beast` number, since 2 + 4 + 5 + 2 + 3 + 4 + 646 = 666.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 245234646.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 6812056 + ... + 6812091.

It is an arithmetic number, because the mean of its divisors is an integer number (44278481).

Almost surely, 2^245234646 is an apocalyptic number.

245234646 is an abundant number, since it is smaller than the sum of its proper divisors (286107126).

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

245234646 is a wasteful number, since it uses less digits than its factorization.

245234646 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13624155 (or 13624152 counting only the distinct ones).

The product of its digits is 138240, while the sum is 36.

The square root of 245234646 is about 15659.9695402003. The cubic root of 245234646 is about 625.9321735793.

The spelling of 245234646 in words is "two hundred forty-five million, two hundred thirty-four thousand, six hundred forty-six".