245626642 has 32 divisors (see below), whose sum is σ = 415929600. Its totient is φ = 108096768.

The previous prime is 245626639. The next prime is 245626651. The reversal of 245626642 is 246626542.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 48628 + ... + 53440.

It is an arithmetic number, because the mean of its divisors is an integer number (12997800).

Almost surely, 2^245626642 is an apocalyptic number.

245626642 is a deficient number, since it is larger than the sum of its proper divisors (170302958).

245626642 is a wasteful number, since it uses less digits than its factorization.

245626642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4930.

The product of its digits is 138240, while the sum is 37.

The square root of 245626642 is about 15672.4804035609. The cubic root of 245626642 is about 626.2655037111.

The spelling of 245626642 in words is "two hundred forty-five million, six hundred twenty-six thousand, six hundred forty-two".