45255651 has 32 divisors (see below), whose sum is σ = 73666560. Its totient is φ = 24149664.

The previous prime is 45255647. The next prime is 45255761. The reversal of 45255651 is 15655254.

It is not a de Polignac number, because 45255651 - 2² = 45255647 is a prime.

It is not an unprimeable number, because it can be changed into a prime (45255151) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 19680 + ... + 21858.

It is an arithmetic number, because the mean of its divisors is an integer number (2302080).

Almost surely, 2^45255651 is an apocalyptic number.

45255651 is a deficient number, since it is larger than the sum of its proper divisors (28410909).

45255651 is a wasteful number, since it uses less digits than its factorization.

45255651 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2255.

The product of its digits is 30000, while the sum is 33.

The square root of 45255651 is about 6727.2320459458. The cubic root of 45255651 is about 356.3616317445.

The spelling of 45255651 in words is "forty-five million, two hundred fifty-five thousand, six hundred fifty-one".