244974645 has 32 divisors (see below), whose sum is σ = 437149440. Its totient is φ = 130161600.

The previous prime is 244974623. The next prime is 244974649. The reversal of 244974645 is 546479442.

It is not a de Polignac number, because 244974645 - 2⁹ = 244974133 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 244974645.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (244974649) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 34120 + ... + 40670.

It is an arithmetic number, because the mean of its divisors is an integer number (13660920).

Almost surely, 2^244974645 is an apocalyptic number.

It is an amenable number.

244974645 is a deficient number, since it is larger than the sum of its proper divisors (192174795).

244974645 is a wasteful number, since it uses less digits than its factorization.

244974645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6842 (or 6836 counting only the distinct ones).

The product of its digits is 967680, while the sum is 45.

The square root of 244974645 is about 15651.6658857771. The cubic root of 244974645 is about 625.7108881809.

It can be divided in two parts, 2449746 and 45, that added together give a triangular number (2449791 = T₂₂₁₃).

The spelling of 244974645 in words is "two hundred forty-four million, nine hundred seventy-four thousand, six hundred forty-five".