245299488 has 72 divisors (see below), whose sum is σ = 749053872. Its totient is φ = 70084224.

The previous prime is 245299471. The next prime is 245299489. The reversal of 245299488 is 884992542.

It is a self number, because there is not a number n which added to its sum of digits gives 245299488.

It is not an unprimeable number, because it can be changed into a prime (245299489) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 21370 + ... + 30777.

It is an arithmetic number, because the mean of its divisors is an integer number (10403526).

Almost surely, 2^245299488 is an apocalyptic number.

245299488 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

245299488 is an abundant number, since it is smaller than the sum of its proper divisors (503754384).

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

245299488 is a wasteful number, since it uses less digits than its factorization.

245299488 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52174 (or 52159 counting only the distinct ones).

The product of its digits is 1658880, while the sum is 51.

The square root of 245299488 is about 15662.0397139070. The cubic root of 245299488 is about 625.9873358739.

The spelling of 245299488 in words is "two hundred forty-five million, two hundred ninety-nine thousand, four hundred eighty-eight".