45551312 has 10 divisors (see below), whose sum is σ = 88255698. Its totient is φ = 22775648.

The previous prime is 45551269. The next prime is 45551333. The reversal of 45551312 is 21315554.

45551312 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 only one way, i.e., 43349056 + 2202256 = 6584^2 + 1484^2 .

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 as a sum of consecutive naturals, namely, 1423463 + ... + 1423494.

Almost surely, 2^45551312 is an apocalyptic number.

It is an amenable number.

45551312 is a deficient number, since it is larger than the sum of its proper divisors (42704386).

45551312 is a wasteful number, since it uses less digits than its factorization.

45551312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2846965 (or 2846959 counting only the distinct ones).

The product of its digits is 3000, while the sum is 26.

The square root of 45551312 is about 6749.1712083781. The cubic root of 45551312 is about 357.1359999902.

Adding to 45551312 its reverse (21315554), we get a palindrome (66866866).

The spelling of 45551312 in words is "forty-five million, five hundred fifty-one thousand, three hundred twelve".