45722257 has 8 divisors (see below), whose sum is σ = 53528832. Its totient is φ = 38234400.

The previous prime is 45722251. The next prime is 45722263. The reversal of 45722257 is 75222754.

It is a happy number.

45722257 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (45722251) and next prime (45722263).

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

It is a cyclic number.

It is not a de Polignac number, because 45722257 - 2¹¹ = 45720209 is a prime.

It is not an unprimeable number, because it can be changed into a prime (45722251) 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, 79369 + ... + 79942.

It is an arithmetic number, because the mean of its divisors is an integer number (6691104).

Almost surely, 2^45722257 is an apocalyptic number.

It is an amenable number.

45722257 is a deficient number, since it is larger than the sum of its proper divisors (7806575).

45722257 is a wasteful number, since it uses less digits than its factorization.

45722257 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 159359.

The product of its digits is 39200, while the sum is 34.

The square root of 45722257 is about 6761.8234966612. The cubic root of 45722257 is about 357.5821957155.

The spelling of 45722257 in words is "forty-five million, seven hundred twenty-two thousand, two hundred fifty-seven".