45147255 has 32 divisors (see below), whose sum is σ = 74416320. Its totient is φ = 23362560.

The previous prime is 45147247. The next prime is 45147293. The reversal of 45147255 is 55274154.

It is not a de Polignac number, because 45147255 - 2³ = 45147247 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 86395 + ... + 86915.

It is an arithmetic number, because the mean of its divisors is an integer number (2325510).

Almost surely, 2^45147255 is an apocalyptic number.

45147255 is a deficient number, since it is larger than the sum of its proper divisors (29269065).

45147255 is a wasteful number, since it uses less digits than its factorization.

45147255 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 691.

The product of its digits is 28000, while the sum is 33.

The square root of 45147255 is about 6719.1707077585. The cubic root of 45147255 is about 356.0768860363.

The spelling of 45147255 in words is "forty-five million, one hundred forty-seven thousand, two hundred fifty-five".