245889312 has 48 divisors (see below), whose sum is σ = 647105760. Its totient is φ = 81754112.

The previous prime is 245889271. The next prime is 245889323. The reversal of 245889312 is 213988542.

It is a tau number, because it is divible by the number of its divisors (48).

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, 37168 + ... + 43280.

It is an arithmetic number, because the mean of its divisors is an integer number (13481370).

Almost surely, 2^245889312 is an apocalyptic number.

It is an amenable number.

245889312 is an abundant number, since it is smaller than the sum of its proper divisors (401216448).

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

245889312 is a wasteful number, since it uses less digits than its factorization.

245889312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6545 (or 6537 counting only the distinct ones).

The product of its digits is 138240, while the sum is 42.

The square root of 245889312 is about 15680.8581397830. The cubic root of 245889312 is about 626.4886642972.

The spelling of 245889312 in words is "two hundred forty-five million, eight hundred eighty-nine thousand, three hundred twelve".