45771455 has 4 divisors (see below), whose sum is σ = 54925752. Its totient is φ = 36617160.

The previous prime is 45771421. The next prime is 45771503. The reversal of 45771455 is 55417754.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 45771455 - 2⁸ = 45771199 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

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, 4577141 + ... + 4577150.

It is an arithmetic number, because the mean of its divisors is an integer number (13731438).

Almost surely, 2^45771455 is an apocalyptic number.

45771455 is a deficient number, since it is larger than the sum of its proper divisors (9154297).

45771455 is an equidigital number, since it uses as much as digits as its factorization.

45771455 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9154296.

The product of its digits is 98000, while the sum is 38.

The square root of 45771455 is about 6765.4604425715. The cubic root of 45771455 is about 357.7104047753.

The spelling of 45771455 in words is "forty-five million, seven hundred seventy-one thousand, four hundred fifty-five".