45239005 has 12 divisors (see below), whose sum is σ = 63150300. Its totient is φ = 31020864.

The previous prime is 45238997. The next prime is 45239009. The reversal of 45239005 is 50093254.

It can be written as a sum of positive squares in 2 ways, for example, as 20259001 + 24980004 = 4501^2 + 4998^2 .

It is not a de Polignac number, because 45239005 - 2³ = 45238997 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45239009) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 92080 + ... + 92569.

It is an arithmetic number, because the mean of its divisors is an integer number (5262525).

Almost surely, 2^45239005 is an apocalyptic number.

It is an amenable number.

45239005 is a deficient number, since it is larger than the sum of its proper divisors (17911295).

45239005 is a wasteful number, since it uses less digits than its factorization.

45239005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 184668 (or 184661 counting only the distinct ones).

The product of its (nonzero) digits is 5400, while the sum is 28.

The square root of 45239005 is about 6725.9947219724. The cubic root of 45239005 is about 356.3179339002.

The spelling of 45239005 in words is "forty-five million, two hundred thirty-nine thousand, five".