45140436 has 48 divisors (see below), whose sum is σ = 127673280. Its totient is φ = 13678560.

The previous prime is 45140429. The next prime is 45140437. The reversal of 45140436 is 63404154.

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

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 polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17811 + ... + 20186.

It is an arithmetic number, because the mean of its divisors is an integer number (2659860).

Almost surely, 2^45140436 is an apocalyptic number.

It is an amenable number.

45140436 is an abundant number, since it is smaller than the sum of its proper divisors (82532844).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

45140436 is a wasteful number, since it uses less digits than its factorization.

45140436 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38021 (or 38013 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 27.

The square root of 45140436 is about 6718.6632599052. The cubic root of 45140436 is about 356.0589579582.

The spelling of 45140436 in words is "forty-five million, one hundred forty thousand, four hundred thirty-six".