45445312 has 28 divisors (see below), whose sum is σ = 98380296. Its totient is φ = 20656640.

The previous prime is 45445297. The next prime is 45445313. The reversal of 45445312 is 21354454.

It is not an unprimeable number, because it can be changed into a prime (45445313) 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 3 ways as a sum of consecutive naturals, for example, 31573 + ... + 32980.

It is an arithmetic number, because the mean of its divisors is an integer number (3513582).

Almost surely, 2^45445312 is an apocalyptic number.

It is an amenable number.

45445312 is an abundant number, since it is smaller than the sum of its proper divisors (52934984).

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

45445312 is a wasteful number, since it uses less digits than its factorization.

45445312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64576 (or 64566 counting only the distinct ones).

The product of its digits is 9600, while the sum is 28.

The square root of 45445312 is about 6741.3138185372. The cubic root of 45445312 is about 356.8587608585.

Adding to 45445312 its reverse (21354454), we get a palindrome (66799766).

The spelling of 45445312 in words is "forty-five million, four hundred forty-five thousand, three hundred twelve".