45015444 has 36 divisors (see below), whose sum is σ = 115940916. Its totient is φ = 14721408.

The previous prime is 45015431. The next prime is 45015461. The reversal of 45015444 is 44451054.

45015444 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 16499844 + 28515600 = 4062^2 + 5340^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a congruent number.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 9889 + ... + 13704.

It is an arithmetic number, because the mean of its divisors is an integer number (3220581).

Almost surely, 2^45015444 is an apocalyptic number.

It is an amenable number.

45015444 is an abundant number, since it is smaller than the sum of its proper divisors (70925472).

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

45015444 is a wasteful number, since it uses less digits than its factorization.

45015444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23656 (or 23651 counting only the distinct ones).

The product of its (nonzero) digits is 6400, while the sum is 27.

The square root of 45015444 is about 6709.3549615444. The cubic root of 45015444 is about 355.7300166543.

Adding to 45015444 its reverse (44451054), we get a palindrome (89466498).

The spelling of 45015444 in words is "forty-five million, fifteen thousand, four hundred forty-four".