45022815 has 12 divisors (see below), whose sum is σ = 78039624. Its totient is φ = 24012144.

The previous prime is 45022793. The next prime is 45022829. The reversal of 45022815 is 51822054.

It is a happy number.

It is not a de Polignac number, because 45022815 - 2⁶ = 45022751 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 500209 + ... + 500298.

It is an arithmetic number, because the mean of its divisors is an integer number (6503302).

Almost surely, 2^45022815 is an apocalyptic number.

45022815 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

45022815 is a deficient number, since it is larger than the sum of its proper divisors (33016809).

45022815 is a wasteful number, since it uses less digits than its factorization.

45022815 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1000518 (or 1000515 counting only the distinct ones).

The product of its (nonzero) digits is 3200, while the sum is 27.

The square root of 45022815 is about 6709.9042467087. The cubic root of 45022815 is about 355.7494317899.

Adding to 45022815 its reverse (51822054), we get a palindrome (96844869).

The spelling of 45022815 in words is "forty-five million, twenty-two thousand, eight hundred fifteen".