45432642403 has 4 divisors (see below), whose sum is σ = 45439148128. Its totient is φ = 45426136680.

The previous prime is 45432642391. The next prime is 45432642407. The reversal of 45432642403 is 30424623454.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 45432642403 - 2²⁹ = 44895771491 is a prime.

It is a super-2 number, since 2×45432642403² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (45432642407) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3242376 + ... + 3256357.

It is an arithmetic number, because the mean of its divisors is an integer number (11359787032).

Almost surely, 2^45432642403 is an apocalyptic number.

45432642403 is a deficient number, since it is larger than the sum of its proper divisors (6505725).

45432642403 is an equidigital number, since it uses as much as digits as its factorization.

45432642403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6505724.

The product of its (nonzero) digits is 276480, while the sum is 37.

The spelling of 45432642403 in words is "forty-five billion, four hundred thirty-two million, six hundred forty-two thousand, four hundred three".