45102544 has 10 divisors (see below), whose sum is σ = 87386210. Its totient is φ = 22551264.

The previous prime is 45102529. The next prime is 45102557. The reversal of 45102544 is 44520154.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 27962944 + 17139600 = 5288^2 + 4140^2 .

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 1409439 + ... + 1409470.

It is an arithmetic number, because the mean of its divisors is an integer number (8738621).

Almost surely, 2^45102544 is an apocalyptic number.

It is an amenable number.

45102544 is a deficient number, since it is larger than the sum of its proper divisors (42283666).

45102544 is a wasteful number, since it uses less digits than its factorization.

45102544 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2818917 (or 2818911 counting only the distinct ones).

The product of its (nonzero) digits is 3200, while the sum is 25.

The square root of 45102544 is about 6715.8427617091. The cubic root of 45102544 is about 355.9593018324.

Adding to 45102544 its reverse (44520154), we get a palindrome (89622698).

The spelling of 45102544 in words is "forty-five million, one hundred two thousand, five hundred forty-four".