245391344 has 20 divisors (see below), whose sum is σ = 518668440. Its totient is φ = 111541440.

The previous prime is 245391329. The next prime is 245391397. The reversal of 245391344 is 443193542.

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, 696959 + ... + 697310.

It is an arithmetic number, because the mean of its divisors is an integer number (25933422).

Almost surely, 2^245391344 is an apocalyptic number.

It is an amenable number.

245391344 is an abundant number, since it is smaller than the sum of its proper divisors (273277096).

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

245391344 is a wasteful number, since it uses less digits than its factorization.

245391344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1394288 (or 1394282 counting only the distinct ones).

The product of its digits is 51840, while the sum is 35.

The square root of 245391344 is about 15664.9718799620. The cubic root of 245391344 is about 626.0654628435.

The spelling of 245391344 in words is "two hundred forty-five million, three hundred ninety-one thousand, three hundred forty-four".