45231532 has 12 divisors (see below), whose sum is σ = 81884880. Its totient is φ = 21835856.

The previous prime is 45231521. The next prime is 45231539. The reversal of 45231532 is 23513254.

45231532 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 45231497 and 45231506.

It is not an unprimeable number, because it can be changed into a prime (45231539) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 194848 + ... + 195079.

It is an arithmetic number, because the mean of its divisors is an integer number (6823740).

Almost surely, 2^45231532 is an apocalyptic number.

It is an amenable number.

45231532 is a deficient number, since it is larger than the sum of its proper divisors (36653348).

45231532 is a wasteful number, since it uses less digits than its factorization.

45231532 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 389960 (or 389958 counting only the distinct ones).

The product of its digits is 3600, while the sum is 25.

The square root of 45231532 is about 6725.4391678165. The cubic root of 45231532 is about 356.2983128486.

Adding to 45231532 its reverse (23513254), we get a palindrome (68744786).

The spelling of 45231532 in words is "forty-five million, two hundred thirty-one thousand, five hundred thirty-two".