45565451 has 4 divisors (see below), whose sum is σ = 45893400. Its totient is φ = 45237504.

The previous prime is 45565447. The next prime is 45565469. The reversal of 45565451 is 15456554.

45565451 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 45565451 - 2² = 45565447 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (45565411) 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, 163766 + ... + 164043.

It is an arithmetic number, because the mean of its divisors is an integer number (11473350).

Almost surely, 2^45565451 is an apocalyptic number.

45565451 is a deficient number, since it is larger than the sum of its proper divisors (327949).

45565451 is a wasteful number, since it uses less digits than its factorization.

45565451 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 327948.

The product of its digits is 60000, while the sum is 35.

The square root of 45565451 is about 6750.2185890532. The cubic root of 45565451 is about 357.1729475066.

The spelling of 45565451 in words is "forty-five million, five hundred sixty-five thousand, four hundred fifty-one".