45915213 has 8 divisors (see below), whose sum is σ = 61483968. Its totient is φ = 30478304.

The previous prime is 45915197. The next prime is 45915217. The reversal of 45915213 is 31251954.

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

It is a cyclic number.

It is not a de Polignac number, because 45915213 - 2⁴ = 45915197 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45915217) 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, 32145 + ... + 33542.

It is an arithmetic number, because the mean of its divisors is an integer number (7685496).

Almost surely, 2^45915213 is an apocalyptic number.

It is an amenable number.

45915213 is a deficient number, since it is larger than the sum of its proper divisors (15568755).

45915213 is a wasteful number, since it uses less digits than its factorization.

45915213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65923.

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

The square root of 45915213 is about 6776.0765196388. The cubic root of 45915213 is about 358.0845097661.

The spelling of 45915213 in words is "forty-five million, nine hundred fifteen thousand, two hundred thirteen".