45257953 has 8 divisors (see below), whose sum is σ = 48799296. Its totient is φ = 41725200.

The previous prime is 45257939. The next prime is 45257963. The reversal of 45257953 is 35975254.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-45257953 is a prime.

It is not an unprimeable number, because it can be changed into a prime (45257903) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12588 + ... + 15778.

It is an arithmetic number, because the mean of its divisors is an integer number (6099912).

Almost surely, 2^45257953 is an apocalyptic number.

It is an amenable number.

45257953 is a deficient number, since it is larger than the sum of its proper divisors (3541343).

45257953 is a wasteful number, since it uses less digits than its factorization.

45257953 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4295.

The product of its digits is 189000, while the sum is 40.

The square root of 45257953 is about 6727.4031393993. The cubic root of 45257953 is about 356.3676739407.

The spelling of 45257953 in words is "forty-five million, two hundred fifty-seven thousand, nine hundred fifty-three".