45811513 has 8 divisors (see below), whose sum is σ = 51327360. Its totient is φ = 40520880.

The previous prime is 45811499. The next prime is 45811517. The reversal of 45811513 is 31511854.

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 45811513 - 2¹⁷ = 45680441 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (45811517) 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, 55873 + ... + 56686.

It is an arithmetic number, because the mean of its divisors is an integer number (6415920).

Almost surely, 2^45811513 is an apocalyptic number.

It is an amenable number.

45811513 is a deficient number, since it is larger than the sum of its proper divisors (5515847).

45811513 is a wasteful number, since it uses less digits than its factorization.

45811513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 112607.

The product of its digits is 2400, while the sum is 28.

The square root of 45811513 is about 6768.4202735941. The cubic root of 45811513 is about 357.8147273292.

The spelling of 45811513 in words is "forty-five million, eight hundred eleven thousand, five hundred thirteen".