45915457 has 8 divisors (see below), whose sum is σ = 55236800. Its totient is φ = 37284624.

The previous prime is 45915421. The next prime is 45915461. The reversal of 45915457 is 75451954.

45915457 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-45915457 is a prime.

It is not an unprimeable number, because it can be changed into a prime (45915407) 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 7 ways as a sum of consecutive naturals, for example, 172482 + ... + 172747.

It is an arithmetic number, because the mean of its divisors is an integer number (6904600).

Almost surely, 2^45915457 is an apocalyptic number.

It is an amenable number.

45915457 is a deficient number, since it is larger than the sum of its proper divisors (9321343).

45915457 is a wasteful number, since it uses less digits than its factorization.

45915457 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 345255.

The product of its digits is 126000, while the sum is 40.

The square root of 45915457 is about 6776.0945241341. The cubic root of 45915457 is about 358.0851440691.

The spelling of 45915457 in words is "forty-five million, nine hundred fifteen thousand, four hundred fifty-seven".