245489388 has 24 divisors (see below), whose sum is σ = 578482800. Its totient is φ = 81019200.

The previous prime is 245489369. The next prime is 245489417. The reversal of 245489388 is 883984542.

245489388 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×245489388² = 120530079241229088, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 245489388.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 100063 + ... + 102486.

It is an arithmetic number, because the mean of its divisors is an integer number (24103450).

Almost surely, 2^245489388 is an apocalyptic number.

It is an amenable number.

245489388 is an abundant number, since it is smaller than the sum of its proper divisors (332993412).

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

245489388 is a wasteful number, since it uses less digits than its factorization.

245489388 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 202657 (or 202655 counting only the distinct ones).

The product of its digits is 2211840, while the sum is 51.

The square root of 245489388 is about 15668.1009698049. The cubic root of 245489388 is about 626.1488314310.

The spelling of 245489388 in words is "two hundred forty-five million, four hundred eighty-nine thousand, three hundred eighty-eight".