45440403 has 16 divisors (see below), whose sum is σ = 62599680. Its totient is φ = 29297376.

The previous prime is 45440393. The next prime is 45440411. The reversal of 45440403 is 30404454.

It is not a de Polignac number, because 45440403 - 2¹⁰ = 45439379 is a prime.

It is not an unprimeable number, because it can be changed into a prime (45440413) 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, 18726 + ... + 21012.

It is an arithmetic number, because the mean of its divisors is an integer number (3912480).

Almost surely, 2^45440403 is an apocalyptic number.

45440403 is a deficient number, since it is larger than the sum of its proper divisors (17159277).

45440403 is a wasteful number, since it uses less digits than its factorization.

45440403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2506.

The product of its (nonzero) digits is 3840, while the sum is 24.

The square root of 45440403 is about 6740.9497105378. The cubic root of 45440403 is about 356.8459111082.

Adding to 45440403 its reverse (30404454), we get a palindrome (75844857).

The spelling of 45440403 in words is "forty-five million, four hundred forty thousand, four hundred three".