245798772 has 24 divisors (see below), whose sum is σ = 587520192. Its totient is φ = 79934400.

The previous prime is 245798759. The next prime is 245798803. The reversal of 245798772 is 277897542.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 249304 + ... + 250287.

It is an arithmetic number, because the mean of its divisors is an integer number (24480008).

Almost surely, 2^245798772 is an apocalyptic number.

It is an amenable number.

245798772 is an abundant number, since it is smaller than the sum of its proper divisors (341721420).

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

245798772 is a wasteful number, since it uses less digits than its factorization.

245798772 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 499639 (or 499637 counting only the distinct ones).

The product of its digits is 1975680, while the sum is 51.

The square root of 245798772 is about 15677.9709146305. The cubic root of 245798772 is about 626.4117607959.

The spelling of 245798772 in words is "two hundred forty-five million, seven hundred ninety-eight thousand, seven hundred seventy-two".