455145515 has 16 divisors (see below), whose sum is σ = 598445280. Its totient is φ = 329560320.

The previous prime is 455145511. The next prime is 455145557. The reversal of 455145515 is 515541554.

It is not a de Polignac number, because 455145515 - 2² = 455145511 is a prime.

It is not an unprimeable number, because it can be changed into a prime (455145511) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5474 + ... + 30663.

It is an arithmetic number, because the mean of its divisors is an integer number (37402830).

Almost surely, 2^455145515 is an apocalyptic number.

455145515 is a deficient number, since it is larger than the sum of its proper divisors (143299765).

455145515 is a wasteful number, since it uses less digits than its factorization.

455145515 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36382.

The product of its digits is 50000, while the sum is 35.

The square root of 455145515 is about 21334.1396592410. The cubic root of 455145515 is about 769.2191527618.

The spelling of 455145515 in words is "four hundred fifty-five million, one hundred forty-five thousand, five hundred fifteen".