45186545 has 4 divisors (see below), whose sum is σ = 54223860. Its totient is φ = 36149232.

The previous prime is 45186539. The next prime is 45186571. The reversal of 45186545 is 54568154.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 9138529 + 36048016 = 3023^2 + 6004^2 .

It is a cyclic number.

It is not a de Polignac number, because 45186545 - 2⁴ = 45186529 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 45186499 and 45186508.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4518650 + ... + 4518659.

It is an arithmetic number, because the mean of its divisors is an integer number (13555965).

Almost surely, 2^45186545 is an apocalyptic number.

It is an amenable number.

45186545 is a deficient number, since it is larger than the sum of its proper divisors (9037315).

45186545 is an equidigital number, since it uses as much as digits as its factorization.

45186545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9037314.

The product of its digits is 96000, while the sum is 38.

The square root of 45186545 is about 6722.0937958347. The cubic root of 45186545 is about 356.1801496376.

The spelling of 45186545 in words is "forty-five million, one hundred eighty-six thousand, five hundred forty-five".