45444251 has 8 divisors (see below), whose sum is σ = 48702624. Its totient is φ = 42292800.

The previous prime is 45444241. The next prime is 45444263. The reversal of 45444251 is 15244454.

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 45444251 - 2⁶ = 45444187 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (45444211) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25850 + ... + 27551.

It is an arithmetic number, because the mean of its divisors is an integer number (6087828).

Almost surely, 2^45444251 is an apocalyptic number.

45444251 is a deficient number, since it is larger than the sum of its proper divisors (3258373).

45444251 is a wasteful number, since it uses less digits than its factorization.

45444251 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53461.

The product of its digits is 12800, while the sum is 29.

The square root of 45444251 is about 6741.2351242187. The cubic root of 45444251 is about 356.8559836737.

The spelling of 45444251 in words is "forty-five million, four hundred forty-four thousand, two hundred fifty-one".