245389312 has 48 divisors (see below), whose sum is σ = 560785680. Its totient is φ = 105160704.

The previous prime is 245389283. The next prime is 245389337. The reversal of 245389312 is 213983542.

It is a congruent number.

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, 5778 + ... + 22894.

It is an arithmetic number, because the mean of its divisors is an integer number (11683035).

Almost surely, 2^245389312 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 245389312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (280392840).

245389312 is an abundant number, since it is smaller than the sum of its proper divisors (315396368).

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

245389312 is an equidigital number, since it uses as much as digits as its factorization.

245389312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17146 (or 17126 counting only the distinct ones).

The product of its digits is 51840, while the sum is 37.

The square root of 245389312 is about 15664.9070217477. The cubic root of 245389312 is about 626.0637347623.

The spelling of 245389312 in words is "two hundred forty-five million, three hundred eighty-nine thousand, three hundred twelve".