45444771 has 12 divisors (see below), whose sum is σ = 65747448. Its totient is φ = 30248064.

The previous prime is 45444767. The next prime is 45444781. The reversal of 45444771 is 17744454.

It is a happy number.

45444771 is a `hidden beast` number, since 4 + 544 + 47 + 71 = 666.

It is not a de Polignac number, because 45444771 - 2² = 45444767 is a prime.

It is a super-3 number, since 3×45444771³ (a number of 24 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is not an unprimeable number, because it can be changed into a prime (45444761) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2451 + ... + 9843.

It is an arithmetic number, because the mean of its divisors is an integer number (5478954).

Almost surely, 2^45444771 is an apocalyptic number.

45444771 is a deficient number, since it is larger than the sum of its proper divisors (20302677).

45444771 is a wasteful number, since it uses less digits than its factorization.

45444771 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8082 (or 8079 counting only the distinct ones).

The product of its digits is 62720, while the sum is 36.

The square root of 45444771 is about 6741.2736927082. The cubic root of 45444771 is about 356.8573447876.

The spelling of 45444771 in words is "forty-five million, four hundred forty-four thousand, seven hundred seventy-one".