245461444 has 12 divisors (see below), whose sum is σ = 437662764. Its totient is φ = 120414944.

The previous prime is 245461439. The next prime is 245461457. The reversal of 245461444 is 444164542.

It can be written as a sum of positive squares in 2 ways, for example, as 78535044 + 166926400 = 8862^2 + 12920^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 578707 + ... + 579130.

It is an arithmetic number, because the mean of its divisors is an integer number (36471897).

Almost surely, 2^245461444 is an apocalyptic number.

It is an amenable number.

245461444 is a deficient number, since it is larger than the sum of its proper divisors (192201320).

245461444 is a wasteful number, since it uses less digits than its factorization.

245461444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1157894 (or 1157892 counting only the distinct ones).

The product of its digits is 61440, while the sum is 34.

The square root of 245461444 is about 15667.2091962800. The cubic root of 245461444 is about 626.1250724041.

The spelling of 245461444 in words is "two hundred forty-five million, four hundred sixty-one thousand, four hundred forty-four".