45231075 has 48 divisors (see below), whose sum is σ = 83967840. Its totient is φ = 23869440.

The previous prime is 45231049. The next prime is 45231079. The reversal of 45231075 is 57013254.

It is a happy number.

It is not a de Polignac number, because 45231075 - 2⁷ = 45230947 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (45231079) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 75979 + ... + 76571.

It is an arithmetic number, because the mean of its divisors is an integer number (1749330).

Almost surely, 2^45231075 is an apocalyptic number.

45231075 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

45231075 is a deficient number, since it is larger than the sum of its proper divisors (38736765).

45231075 is a wasteful number, since it uses less digits than its factorization.

45231075 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 725 (or 714 counting only the distinct ones).

The product of its (nonzero) digits is 4200, while the sum is 27.

The square root of 45231075 is about 6725.4051922542. The cubic root of 45231075 is about 356.2971128828.

The spelling of 45231075 in words is "forty-five million, two hundred thirty-one thousand, seventy-five".