45123044 has 6 divisors (see below), whose sum is σ = 78965334. Its totient is φ = 22561520.

The previous prime is 45123041. The next prime is 45123053. The reversal of 45123044 is 44032154.

It can be written as a sum of positive squares in only one way, i.e., 38812900 + 6310144 = 6230^2 + 2512^2 .

It is not an unprimeable number, because it can be changed into a prime (45123041) 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 as a sum of consecutive naturals, namely, 5640377 + ... + 5640384.

It is an arithmetic number, because the mean of its divisors is an integer number (13160889).

Almost surely, 2^45123044 is an apocalyptic number.

It is an amenable number.

45123044 is a deficient number, since it is larger than the sum of its proper divisors (33842290).

45123044 is a wasteful number, since it uses less digits than its factorization.

45123044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11280765 (or 11280763 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 23.

The square root of 45123044 is about 6717.3688301298. The cubic root of 45123044 is about 356.0132238491.

Adding to 45123044 its reverse (44032154), we get a palindrome (89155198).

The spelling of 45123044 in words is "forty-five million, one hundred twenty-three thousand, forty-four".