245797120 has 36 divisors (see below), whose sum is σ = 588763980. Its totient is φ = 98318336.

The previous prime is 245797117. The next prime is 245797141. The reversal of 245797120 is 21797542.

It can be written as a sum of positive squares in 2 ways, for example, as 68161536 + 177635584 = 8256^2 + 13328^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 245797120.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 94735 + ... + 97294.

It is an arithmetic number, because the mean of its divisors is an integer number (16354555).

Almost surely, 2^245797120 is an apocalyptic number.

245797120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

245797120 is an abundant number, since it is smaller than the sum of its proper divisors (342966860).

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

245797120 is an equidigital number, since it uses as much as digits as its factorization.

245797120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 192050 (or 192036 counting only the distinct ones).

The product of its (nonzero) digits is 35280, while the sum is 37.

The square root of 245797120 is about 15677.9182291527. The cubic root of 245797120 is about 626.4103574332.

The spelling of 245797120 in words is "two hundred forty-five million, seven hundred ninety-seven thousand, one hundred twenty".