455542515 has 16 divisors (see below), whose sum is σ = 809853600. Its totient is φ = 242955936.

The previous prime is 455542487. The next prime is 455542517. The reversal of 455542515 is 515245554.

It is not a de Polignac number, because 455542515 - 2¹⁰ = 455541491 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 455542515.

It is not an unprimeable number, because it can be changed into a prime (455542517) 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, 1687060 + ... + 1687329.

It is an arithmetic number, because the mean of its divisors is an integer number (50615850).

Almost surely, 2^455542515 is an apocalyptic number.

455542515 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

455542515 is a deficient number, since it is larger than the sum of its proper divisors (354311085).

455542515 is a wasteful number, since it uses less digits than its factorization.

455542515 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3374403 (or 3374397 counting only the distinct ones).

The product of its digits is 100000, while the sum is 36.

The square root of 455542515 is about 21343.4419670305. The cubic root of 455542515 is about 769.4427378552.

The spelling of 455542515 in words is "four hundred fifty-five million, five hundred forty-two thousand, five hundred fifteen".