45712232 has 8 divisors (see below), whose sum is σ = 85710450. Its totient is φ = 22856112.

The previous prime is 45712231. The next prime is 45712301. The reversal of 45712232 is 23221754.

It can be written as a sum of positive squares in only one way, i.e., 35688676 + 10023556 = 5974^2 + 3166^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is not an unprimeable number, because it can be changed into a prime (45712231) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2857007 + ... + 2857022.

Almost surely, 2^45712232 is an apocalyptic number.

It is an amenable number.

45712232 is a deficient number, since it is larger than the sum of its proper divisors (39998218).

45712232 is a wasteful number, since it uses less digits than its factorization.

45712232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5714035 (or 5714031 counting only the distinct ones).

The product of its digits is 3360, while the sum is 26.

The square root of 45712232 is about 6761.0821619028. The cubic root of 45712232 is about 357.5560594763.

Adding to 45712232 its reverse (23221754), we get a palindrome (68933986).

The spelling of 45712232 in words is "forty-five million, seven hundred twelve thousand, two hundred thirty-two".