245403564 has 72 divisors (see below), whose sum is σ = 687633408. Its totient is φ = 67848480.

The previous prime is 245403547. The next prime is 245403607. The reversal of 245403564 is 465304542.

245403564 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a hoax number, since the sum of its digits (33) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 11497 + ... + 24959.

It is an arithmetic number, because the mean of its divisors is an integer number (9550464).

Almost surely, 2^245403564 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 245403564, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (343816704).

245403564 is an abundant number, since it is smaller than the sum of its proper divisors (442229844).

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

245403564 is a wasteful number, since it uses less digits than its factorization.

245403564 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13515 (or 13506 counting only the distinct ones).

The product of its (nonzero) digits is 57600, while the sum is 33.

The square root of 245403564 is about 15665.3619173002. The cubic root of 245403564 is about 626.0758549419.

The spelling of 245403564 in words is "two hundred forty-five million, four hundred three thousand, five hundred sixty-four".