45519213 has 16 divisors (see below), whose sum is σ = 62842880. Its totient is φ = 29284416.

The previous prime is 45519211. The next prime is 45519239. The reversal of 45519213 is 31291554.

It is not a de Polignac number, because 45519213 - 2¹ = 45519211 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45519211) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12483 + ... + 15711.

It is an arithmetic number, because the mean of its divisors is an integer number (3927680).

Almost surely, 2^45519213 is an apocalyptic number.

It is an amenable number.

45519213 is a deficient number, since it is larger than the sum of its proper divisors (17323667).

45519213 is a wasteful number, since it uses less digits than its factorization.

45519213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3396.

The product of its digits is 5400, while the sum is 30.

The square root of 45519213 is about 6746.7927936168. The cubic root of 45519213 is about 357.0520916698.

The spelling of 45519213 in words is "forty-five million, five hundred nineteen thousand, two hundred thirteen".