45457118 has 8 divisors (see below), whose sum is σ = 77926512. Its totient is φ = 19481616.

The previous prime is 45457117. The next prime is 45457141. The reversal of 45457118 is 81175454.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45457117) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1623455 + ... + 1623482.

It is an arithmetic number, because the mean of its divisors is an integer number (9740814).

Almost surely, 2^45457118 is an apocalyptic number.

45457118 is a deficient number, since it is larger than the sum of its proper divisors (32469394).

45457118 is a wasteful number, since it uses less digits than its factorization.

45457118 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3246946.

The product of its digits is 22400, while the sum is 35.

The square root of 45457118 is about 6742.1894070102. The cubic root of 45457118 is about 356.8896603402.

The spelling of 45457118 in words is "forty-five million, four hundred fifty-seven thousand, one hundred eighteen".