45075427 has 4 divisors (see below), whose sum is σ = 45311616. Its totient is φ = 44839240.

The previous prime is 45075421. The next prime is 45075439. The reversal of 45075427 is 72457054.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 72457054 = 2 ⋅36228527.

It is a cyclic number.

It is not a de Polignac number, because 45075427 - 2³ = 45075419 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 45075392 and 45075401.

It is not an unprimeable number, because it can be changed into a prime (45075421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 117808 + ... + 118189.

It is an arithmetic number, because the mean of its divisors is an integer number (11327904).

Almost surely, 2^45075427 is an apocalyptic number.

45075427 is a deficient number, since it is larger than the sum of its proper divisors (236189).

45075427 is a wasteful number, since it uses less digits than its factorization.

45075427 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 236188.

The product of its (nonzero) digits is 39200, while the sum is 34.

The square root of 45075427 is about 6713.8235752811. The cubic root of 45075427 is about 355.8879497338.

The spelling of 45075427 in words is "forty-five million, seventy-five thousand, four hundred twenty-seven".