45406403 has 4 divisors (see below), whose sum is σ = 51893040. Its totient is φ = 38919768.

The previous prime is 45406391. The next prime is 45406411. The reversal of 45406403 is 30460454.

45406403 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 45406403 - 2¹⁰ = 45405379 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (45406423) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3243308 + ... + 3243321.

It is an arithmetic number, because the mean of its divisors is an integer number (12973260).

Almost surely, 2^45406403 is an apocalyptic number.

45406403 is a deficient number, since it is larger than the sum of its proper divisors (6486637).

45406403 is an equidigital number, since it uses as much as digits as its factorization.

45406403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6486636.

The product of its (nonzero) digits is 5760, while the sum is 26.

The square root of 45406403 is about 6738.4273387787. The cubic root of 45406403 is about 356.7568876293.

Adding to 45406403 its reverse (30460454), we get a palindrome (75866857).

The spelling of 45406403 in words is "forty-five million, four hundred six thousand, four hundred three".