45811457 has 4 divisors (see below), whose sum is σ = 45862656. Its totient is φ = 45760260.

The previous prime is 45811453. The next prime is 45811477. The reversal of 45811457 is 75411854.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 45811457 - 2² = 45811453 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (45811453) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24233 + ... + 26054.

It is an arithmetic number, because the mean of its divisors is an integer number (11465664).

Almost surely, 2^45811457 is an apocalyptic number.

It is an amenable number.

45811457 is a deficient number, since it is larger than the sum of its proper divisors (51199).

45811457 is an equidigital number, since it uses as much as digits as its factorization.

45811457 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51198.

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

The square root of 45811457 is about 6768.4161367339. The cubic root of 45811457 is about 357.8145815316.

The spelling of 45811457 in words is "forty-five million, eight hundred eleven thousand, four hundred fifty-seven".