450252815 has 16 divisors (see below), whose sum is σ = 556174080. Its totient is φ = 349666560.

The previous prime is 450252793. The next prime is 450252821. The reversal of 450252815 is 518252054.

It is a de Polignac number, because none of the positive numbers 2^k-450252815 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 86075 + ... + 91155.

It is an arithmetic number, because the mean of its divisors is an integer number (34760880).

Almost surely, 2^450252815 is an apocalyptic number.

450252815 is a deficient number, since it is larger than the sum of its proper divisors (105921265).

450252815 is a wasteful number, since it uses less digits than its factorization.

450252815 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5602.

The product of its (nonzero) digits is 16000, while the sum is 32.

The square root of 450252815 is about 21219.1615055826. The cubic root of 450252815 is about 766.4529125785.

The spelling of 450252815 in words is "four hundred fifty million, two hundred fifty-two thousand, eight hundred fifteen".