45257451 has 8 divisors (see below), whose sum is σ = 63892944. Its totient is φ = 28396800.

The previous prime is 45257423. The next prime is 45257453. The reversal of 45257451 is 15475254.

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

It is not a de Polignac number, because 45257451 - 2⁵ = 45257419 is a prime.

It is not an unprimeable number, because it can be changed into a prime (45257453) 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, 443650 + ... + 443751.

It is an arithmetic number, because the mean of its divisors is an integer number (7986618).

Almost surely, 2^45257451 is an apocalyptic number.

45257451 is a deficient number, since it is larger than the sum of its proper divisors (18635493).

45257451 is a wasteful number, since it uses less digits than its factorization.

45257451 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 887421.

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

The square root of 45257451 is about 6727.3658292083. The cubic root of 45257451 is about 356.3663563289.

The spelling of 45257451 in words is "forty-five million, two hundred fifty-seven thousand, four hundred fifty-one".