45214257 has 16 divisors (see below), whose sum is σ = 66274560. Its totient is φ = 27190800.

The previous prime is 45214249. The next prime is 45214261. The reversal of 45214257 is 75241254.

45214257 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 45214257 - 2³ = 45214249 is a prime.

It is not an unprimeable number, because it can be changed into a prime (45214207) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 907 + ... + 9552.

It is an arithmetic number, because the mean of its divisors is an integer number (4142160).

Almost surely, 2^45214257 is an apocalyptic number.

It is an amenable number.

45214257 is a deficient number, since it is larger than the sum of its proper divisors (21060303).

45214257 is a wasteful number, since it uses less digits than its factorization.

45214257 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10604.

The product of its digits is 11200, while the sum is 30.

The square root of 45214257 is about 6724.1547424193. The cubic root of 45214257 is about 356.2529474671.

It can be divided in two parts, 4521 and 4257, that added together give a palindrome (8778).

The spelling of 45214257 in words is "forty-five million, two hundred fourteen thousand, two hundred fifty-seven".