245514320 has 20 divisors (see below), whose sum is σ = 570820980. Its totient is φ = 98205696.

The previous prime is 245514317. The next prime is 245514329. The reversal of 245514320 is 23415542.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 141800464 + 103713856 = 11908^2 + 10184^2 .

It is a tau number, because it is divible by the number of its divisors (20).

It is a self number, because there is not a number n which added to its sum of digits gives 245514320.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (245514329) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1534385 + ... + 1534544.

It is an arithmetic number, because the mean of its divisors is an integer number (28541049).

Almost surely, 2^245514320 is an apocalyptic number.

245514320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

245514320 is an abundant number, since it is smaller than the sum of its proper divisors (325306660).

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

245514320 is a wasteful number, since it uses less digits than its factorization.

245514320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3068942 (or 3068936 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 26.

The square root of 245514320 is about 15668.8965788916. The cubic root of 245514320 is about 626.1700280216.

Adding to 245514320 its reverse (23415542), we get a palindrome (268929862).

The spelling of 245514320 in words is "two hundred forty-five million, five hundred fourteen thousand, three hundred twenty".