45154312 has 32 divisors (see below), whose sum is σ = 102453120. Its totient is φ = 18213120.

The previous prime is 45154309. The next prime is 45154327. The reversal of 45154312 is 21345154.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22764 + ... + 24667.

It is an arithmetic number, because the mean of its divisors is an integer number (3201660).

Almost surely, 2^45154312 is an apocalyptic number.

It is an amenable number.

45154312 is an abundant number, since it is smaller than the sum of its proper divisors (57298808).

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

45154312 is a wasteful number, since it uses less digits than its factorization.

45154312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47461 (or 47457 counting only the distinct ones).

The product of its digits is 2400, while the sum is 25.

The square root of 45154312 is about 6719.6958264493. The cubic root of 45154312 is about 356.0954379481.

Adding to 45154312 its reverse (21345154), we get a palindrome (66499466).

The spelling of 45154312 in words is "forty-five million, one hundred fifty-four thousand, three hundred twelve".