245090461 has 36 divisors (see below), whose sum is σ = 322438816. Its totient is φ = 182342160.

The previous prime is 245090453. The next prime is 245090537. The reversal of 245090461 is 164090542.

It is not a de Polignac number, because 245090461 - 2³ = 245090453 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (245090401) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 447790 + ... + 448336.

Almost surely, 2^245090461 is an apocalyptic number.

It is an amenable number.

245090461 is a deficient number, since it is larger than the sum of its proper divisors (77348355).

245090461 is a wasteful number, since it uses less digits than its factorization.

245090461 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 622 (or 588 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 31.

The square root of 245090461 is about 15655.3652464578. The cubic root of 245090461 is about 625.8094778603.

The spelling of 245090461 in words is "two hundred forty-five million, ninety thousand, four hundred sixty-one".