45143432 has 16 divisors (see below), whose sum is σ = 89623260. Its totient is φ = 21243904.

The previous prime is 45143431. The next prime is 45143467. The reversal of 45143432 is 23434154.

It can be written as a sum of positive squares in 2 ways, for example, as 41809156 + 3334276 = 6466^2 + 1826^2 .

It is not an unprimeable number, because it can be changed into a prime (45143431) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 165833 + ... + 166104.

Almost surely, 2^45143432 is an apocalyptic number.

It is an amenable number.

45143432 is a deficient number, since it is larger than the sum of its proper divisors (44479828).

45143432 is a wasteful number, since it uses less digits than its factorization.

45143432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 331960 (or 331956 counting only the distinct ones).

The product of its digits is 5760, while the sum is 26.

The square root of 45143432 is about 6718.8862172238. The cubic root of 45143432 is about 356.0668350719.

Adding to 45143432 its reverse (23434154), we get a palindrome (68577586).

The spelling of 45143432 in words is "forty-five million, one hundred forty-three thousand, four hundred thirty-two".