245663254 has 16 divisors (see below), whose sum is σ = 370895616. Its totient is φ = 122034600.

The previous prime is 245663237. The next prime is 245663261. The reversal of 245663254 is 452366542.

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, 302509 + ... + 303319.

It is an arithmetic number, because the mean of its divisors is an integer number (23180976).

Almost surely, 2^245663254 is an apocalyptic number.

245663254 is a deficient number, since it is larger than the sum of its proper divisors (125232362).

245663254 is a wasteful number, since it uses less digits than its factorization.

245663254 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1611.

The product of its digits is 172800, while the sum is 37.

The square root of 245663254 is about 15673.6483946782. The cubic root of 245663254 is about 626.2966182695.

The spelling of 245663254 in words is "two hundred forty-five million, six hundred sixty-three thousand, two hundred fifty-four".