45075685 has 4 divisors (see below), whose sum is σ = 54090828. Its totient is φ = 36060544.

The previous prime is 45075677. The next prime is 45075691. The reversal of 45075685 is 58657054.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 58657054 = 2 ⋅29328527.

It can be written as a sum of positive squares in 2 ways, for example, as 5612161 + 39463524 = 2369^2 + 6282^2 .

It is a cyclic number.

It is not a de Polignac number, because 45075685 - 2³ = 45075677 is a prime.

It is a Duffinian number.

It is a congruent number.

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, 4507564 + ... + 4507573.

It is an arithmetic number, because the mean of its divisors is an integer number (13522707).

Almost surely, 2^45075685 is an apocalyptic number.

It is an amenable number.

45075685 is a deficient number, since it is larger than the sum of its proper divisors (9015143).

45075685 is an equidigital number, since it uses as much as digits as its factorization.

45075685 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9015142.

The product of its (nonzero) digits is 168000, while the sum is 40.

The square root of 45075685 is about 6713.8427893420. The cubic root of 45075685 is about 355.8886287358. Note that the first 3 decimals are identical.

The spelling of 45075685 in words is "forty-five million, seventy-five thousand, six hundred eighty-five".