45357237 has 12 divisors (see below), whose sum is σ = 68964480. Its totient is φ = 28646568.

The previous prime is 45357233. The next prime is 45357269. The reversal of 45357237 is 73275354.

45357237 is a `hidden beast` number, since 4 + 53 + 572 + 37 = 666.

It is not a de Polignac number, because 45357237 - 2² = 45357233 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45357233) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 132453 + ... + 132794.

It is an arithmetic number, because the mean of its divisors is an integer number (5747040).

Almost surely, 2^45357237 is an apocalyptic number.

It is an amenable number.

45357237 is a deficient number, since it is larger than the sum of its proper divisors (23607243).

45357237 is a wasteful number, since it uses less digits than its factorization.

45357237 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 265272 (or 265269 counting only the distinct ones).

The product of its digits is 88200, while the sum is 36.

The square root of 45357237 is about 6734.7781700662. The cubic root of 45357237 is about 356.6280758122.

The spelling of 45357237 in words is "forty-five million, three hundred fifty-seven thousand, two hundred thirty-seven".