245787320 has 32 divisors (see below), whose sum is σ = 554320800. Its totient is φ = 98083968.

The previous prime is 245787301. The next prime is 245787329. The reversal of 245787320 is 23787542.

It is a super-2 number, since 2×245787320² = 120822813345564800, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (245787329) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10562 + ... + 24558.

It is an arithmetic number, because the mean of its divisors is an integer number (17322525).

Almost surely, 2^245787320 is an apocalyptic number.

245787320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

245787320 is an abundant number, since it is smaller than the sum of its proper divisors (308533480).

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

245787320 is a wasteful number, since it uses less digits than its factorization.

245787320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14447 (or 14443 counting only the distinct ones).

The product of its (nonzero) digits is 94080, while the sum is 38.

The square root of 245787320 is about 15677.6056845425. The cubic root of 245787320 is about 626.4020322704.

The spelling of 245787320 in words is "two hundred forty-five million, seven hundred eighty-seven thousand, three hundred twenty".