45239075 has 36 divisors (see below), whose sum is σ = 66491280. Its totient is φ = 29908800.

The previous prime is 45239071. The next prime is 45239083. The reversal of 45239075 is 57093254.

It is a Cunningham number, because it is equal to 6726²-1.

It is not a de Polignac number, because 45239075 - 2² = 45239071 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is not an unprimeable number, because it can be changed into a prime (45239071) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 168041 + ... + 168309.

It is an arithmetic number, because the mean of its divisors is an integer number (1846980).

Almost surely, 2^45239075 is an apocalyptic number.

45239075 is a deficient number, since it is larger than the sum of its proper divisors (21252205).

45239075 is a wasteful number, since it uses less digits than its factorization.

45239075 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 348 (or 312 counting only the distinct ones).

The product of its (nonzero) digits is 37800, while the sum is 35.

The square root of 45239075 is about 6725.9999256616. Note that the first 4 decimals coincide. The cubic root of 45239075 is about 356.3181176814.

The spelling of 45239075 in words is "forty-five million, two hundred thirty-nine thousand, seventy-five".