245045522 has 6 divisors (see below), whose sum is σ = 367601493. Its totient is φ = 122511692.

The previous prime is 245045503. The next prime is 245045539. The reversal of 245045522 is 225540542.

It can be written as a sum of positive squares in 2 ways, for example, as 193794241 + 51251281 = 13921^2 + 7159^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=11069.

It is a Duffinian number.

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 2 ways as a sum of consecutive naturals, for example, 16604 + ... + 27672.

Almost surely, 2^245045522 is an apocalyptic number.

245045522 is a deficient number, since it is larger than the sum of its proper divisors (122555971).

245045522 is an frugal number, since it uses more digits than its factorization.

245045522 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22140 (or 11071 counting only the distinct ones).

The product of its (nonzero) digits is 16000, while the sum is 29.

The square root of 245045522 is about 15653.9299219078. The cubic root of 245045522 is about 625.7712267169.

The spelling of 245045522 in words is "two hundred forty-five million, forty-five thousand, five hundred twenty-two".