245514745 has 12 divisors (see below), whose sum is σ = 342718884. Its totient is φ = 168352800.

The previous prime is 245514671. The next prime is 245514757. The reversal of 245514745 is 547415542.

245514745 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 194435136 + 51079609 = 13944^2 + 7147^2 .

It is not a de Polignac number, because 245514745 - 2⁷ = 245514617 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 500806 + ... + 501295.

It is an arithmetic number, because the mean of its divisors is an integer number (28559907).

Almost surely, 2^245514745 is an apocalyptic number.

It is an amenable number.

245514745 is a deficient number, since it is larger than the sum of its proper divisors (97204139).

245514745 is a wasteful number, since it uses less digits than its factorization.

245514745 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1002120 (or 1002113 counting only the distinct ones).

The product of its digits is 112000, while the sum is 37.

The square root of 245514745 is about 15668.9101407852. The cubic root of 245514745 is about 626.1703893340.

The spelling of 245514745 in words is "two hundred forty-five million, five hundred fourteen thousand, seven hundred forty-five".