45215055 has 12 divisors (see below), whose sum is σ = 78372840. Its totient is φ = 24114672.

The previous prime is 45214993. The next prime is 45215099. The reversal of 45215055 is 55051254.

It is not a de Polignac number, because 45215055 - 2⁶ = 45214991 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 502345 + ... + 502434.

It is an arithmetic number, because the mean of its divisors is an integer number (6531070).

Almost surely, 2^45215055 is an apocalyptic number.

45215055 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

45215055 is a deficient number, since it is larger than the sum of its proper divisors (33157785).

45215055 is a wasteful number, since it uses less digits than its factorization.

45215055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1004790 (or 1004787 counting only the distinct ones).

The product of its (nonzero) digits is 5000, while the sum is 27.

The square root of 45215055 is about 6724.2140804707. The cubic root of 45215055 is about 356.2550433266.

The spelling of 45215055 in words is "forty-five million, two hundred fifteen thousand, fifty-five".