45036243 has 40 divisors (see below), whose sum is σ = 78504800. Its totient is φ = 25719120.

The previous prime is 45036209. The next prime is 45036269. The reversal of 45036243 is 34263054.

It is not a de Polignac number, because 45036243 - 2⁸ = 45035987 is a prime.

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

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (45036283) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 26973 + ... + 28593.

It is an arithmetic number, because the mean of its divisors is an integer number (1962620).

Almost surely, 2^45036243 is an apocalyptic number.

45036243 is a deficient number, since it is larger than the sum of its proper divisors (33468557).

45036243 is an equidigital number, since it uses as much as digits as its factorization.

45036243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1654 (or 1631 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 27.

The square root of 45036243 is about 6710.9047825163. The cubic root of 45036243 is about 355.7847955533.

Adding to 45036243 its reverse (34263054), we get a palindrome (79299297).

The spelling of 45036243 in words is "forty-five million, thirty-six thousand, two hundred forty-three".