245044512 has 36 divisors (see below), whose sum is σ = 696846150. Its totient is φ = 81681408.

The previous prime is 245044489. The next prime is 245044529. The reversal of 245044512 is 215440542.

It can be written as a sum of positive squares in only one way, i.e., 223921296 + 21123216 = 14964^2 + 4596^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a super-2 number, since 2×245044512² = 120093625722636288, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 425137 + ... + 425712.

Almost surely, 2^245044512 is an apocalyptic number.

It is an amenable number.

245044512 is an abundant number, since it is smaller than the sum of its proper divisors (451801638).

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

245044512 is a wasteful number, since it uses less digits than its factorization.

245044512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 850865 (or 850854 counting only the distinct ones).

The product of its (nonzero) digits is 6400, while the sum is 27.

The square root of 245044512 is about 15653.8976616049. The cubic root of 245044512 is about 625.7703669721.

The spelling of 245044512 in words is "two hundred forty-five million, forty-four thousand, five hundred twelve".