45214538 has 8 divisors (see below), whose sum is σ = 70160580. Its totient is φ = 21827680.

The previous prime is 45214537. The next prime is 45214579. The reversal of 45214538 is 83541254.

It can be written as a sum of positive squares in 2 ways, for example, as 44662489 + 552049 = 6683^2 + 743^2 .

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

It is not an unprimeable number, because it can be changed into a prime (45214531) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 389723 + ... + 389838.

Almost surely, 2^45214538 is an apocalyptic number.

45214538 is a deficient number, since it is larger than the sum of its proper divisors (24946042).

45214538 is a wasteful number, since it uses less digits than its factorization.

45214538 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 779592.

The product of its digits is 19200, while the sum is 32.

The square root of 45214538 is about 6724.1756372064. The cubic root of 45214538 is about 356.2536854856.

The spelling of 45214538 in words is "forty-five million, two hundred fourteen thousand, five hundred thirty-eight".