45271744 has 56 divisors (see below), whose sum is σ = 103550720. Its totient is φ = 19236096.

The previous prime is 45271741. The next prime is 45271747. The reversal of 45271744 is 44717254.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (45271741) and next prime (45271747).

It is a tau number, because it is divible by the number of its divisors (56).

It is not an unprimeable number, because it can be changed into a prime (45271741) 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 7 ways as a sum of consecutive naturals, for example, 61909 + ... + 62635.

It is an arithmetic number, because the mean of its divisors is an integer number (1849120).

Almost surely, 2^45271744 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 45271744, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (51775360).

45271744 is an abundant number, since it is smaller than the sum of its proper divisors (58278976).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

45271744 is a wasteful number, since it uses less digits than its factorization.

45271744 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 885 (or 875 counting only the distinct ones).

The product of its digits is 31360, while the sum is 34.

The square root of 45271744 is about 6728.4280482145. The cubic root of 45271744 is about 356.4038677081.

Adding to 45271744 its reverse (44717254), we get a palindrome (89988998).

The spelling of 45271744 in words is "forty-five million, two hundred seventy-one thousand, seven hundred forty-four".