45166513 has 4 divisors (see below), whose sum is σ = 51618880. Its totient is φ = 38714148.

The previous prime is 45166489. The next prime is 45166523. The reversal of 45166513 is 31566154.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 31566154 = 2 ⋅15783077.

It is a cyclic number.

It is not a de Polignac number, because 45166513 - 2⁹ = 45166001 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (45166523) 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, 3226173 + ... + 3226186.

It is an arithmetic number, because the mean of its divisors is an integer number (12904720).

Almost surely, 2^45166513 is an apocalyptic number.

It is an amenable number.

45166513 is a deficient number, since it is larger than the sum of its proper divisors (6452367).

45166513 is an equidigital number, since it uses as much as digits as its factorization.

45166513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6452366.

The product of its digits is 10800, while the sum is 31.

The square root of 45166513 is about 6720.6036187235. The cubic root of 45166513 is about 356.1275081903.

The spelling of 45166513 in words is "forty-five million, one hundred sixty-six thousand, five hundred thirteen".