45145372 has 6 divisors (see below), whose sum is σ = 79004408. Its totient is φ = 22572684.

The previous prime is 45145369. The next prime is 45145403. The reversal of 45145372 is 27354154.

45145372 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×45145372² = 4076209226036768, which contains 22 as substring.

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, 5643168 + ... + 5643175.

Almost surely, 2^45145372 is an apocalyptic number.

It is an amenable number.

45145372 is a deficient number, since it is larger than the sum of its proper divisors (33859036).

45145372 is a wasteful number, since it uses less digits than its factorization.

45145372 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11286347 (or 11286345 counting only the distinct ones).

The product of its digits is 16800, while the sum is 31.

The square root of 45145372 is about 6719.0305848389. The cubic root of 45145372 is about 356.0719355538.

The spelling of 45145372 in words is "forty-five million, one hundred forty-five thousand, three hundred seventy-two".