45503403 has 16 divisors (see below), whose sum is σ = 67122432. Its totient is φ = 27188000.

The previous prime is 45503387. The next prime is 45503413. The reversal of 45503403 is 30430554.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 45503403 - 2⁴ = 45503387 is a prime.

It is not an unprimeable number, because it can be changed into a prime (45503413) 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, 7368 + ... + 12053.

It is an arithmetic number, because the mean of its divisors is an integer number (4195152).

Almost surely, 2^45503403 is an apocalyptic number.

45503403 is a deficient number, since it is larger than the sum of its proper divisors (21619029).

45503403 is a wasteful number, since it uses less digits than its factorization.

45503403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19506.

The product of its (nonzero) digits is 3600, while the sum is 24.

The square root of 45503403 is about 6745.6210240422. The cubic root of 45503403 is about 357.0107490741.

Adding to 45503403 its reverse (30430554), we get a palindrome (75933957).

The spelling of 45503403 in words is "forty-five million, five hundred three thousand, four hundred three".