245652215 has 16 divisors (see below), whose sum is σ = 306084096. Its totient is φ = 189062400.

The previous prime is 245652181. The next prime is 245652229. The reversal of 245652215 is 512256542.

It is not a de Polignac number, because 245652215 - 2¹⁸ = 245390071 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22235 + ... + 31395.

It is an arithmetic number, because the mean of its divisors is an integer number (19130256).

Almost surely, 2^245652215 is an apocalyptic number.

245652215 is a deficient number, since it is larger than the sum of its proper divisors (60431881).

245652215 is a wasteful number, since it uses less digits than its factorization.

245652215 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9370.

The product of its digits is 24000, while the sum is 32.

The square root of 245652215 is about 15673.2962391451. The cubic root of 245652215 is about 626.2872371461.

The spelling of 245652215 in words is "two hundred forty-five million, six hundred fifty-two thousand, two hundred fifteen".