45140432 has 10 divisors (see below), whose sum is σ = 87459618. Its totient is φ = 22570208.

The previous prime is 45140429. The next prime is 45140437. The reversal of 45140432 is 23404154.

It can be written as a sum of positive squares in only one way, i.e., 42719296 + 2421136 = 6536^2 + 1556^2 .

It is a super-2 number, since 2×45140432² = 4075317202293248, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 45140398 and 45140407.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45140437) 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 as a sum of consecutive naturals, namely, 1410623 + ... + 1410654.

Almost surely, 2^45140432 is an apocalyptic number.

It is an amenable number.

45140432 is a deficient number, since it is larger than the sum of its proper divisors (42319186).

45140432 is a wasteful number, since it uses less digits than its factorization.

45140432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2821285 (or 2821279 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 23.

The square root of 45140432 is about 6718.6629622269. The cubic root of 45140432 is about 356.0589474412.

Adding to 45140432 its reverse (23404154), we get a palindrome (68544586).

The spelling of 45140432 in words is "forty-five million, one hundred forty thousand, four hundred thirty-two".