45302157 has 24 divisors (see below), whose sum is σ = 69076800. Its totient is φ = 28552128.

The previous prime is 45302149. The next prime is 45302167. The reversal of 45302157 is 75120354.

It is a happy number.

It is not a de Polignac number, because 45302157 - 2³ = 45302149 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 45302157.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45302107) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 17194 + ... + 19652.

It is an arithmetic number, because the mean of its divisors is an integer number (2878200).

Almost surely, 2^45302157 is an apocalyptic number.

It is an amenable number.

45302157 is a deficient number, since it is larger than the sum of its proper divisors (23774643).

45302157 is a wasteful number, since it uses less digits than its factorization.

45302157 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2577 (or 2574 counting only the distinct ones).

The product of its (nonzero) digits is 4200, while the sum is 27.

The square root of 45302157 is about 6730.6877063195. The cubic root of 45302157 is about 356.4836590860.

The spelling of 45302157 in words is "forty-five million, three hundred two thousand, one hundred fifty-seven".