45127472 has 40 divisors (see below), whose sum is σ = 98264544. Its totient is φ = 19920384.

The previous prime is 45127471. The next prime is 45127483. The reversal of 45127472 is 27472154.

It is a super-2 number, since 2×45127472² = 4072977458221568, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (45127471) 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 7 ways as a sum of consecutive naturals, for example, 68 + ... + 9500.

Almost surely, 2^45127472 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 45127472, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (49132272).

45127472 is an abundant number, since it is smaller than the sum of its proper divisors (53137072).

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

45127472 is a wasteful number, since it uses less digits than its factorization.

45127472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9477 (or 9471 counting only the distinct ones).

The product of its digits is 15680, while the sum is 32.

The square root of 45127472 is about 6717.6984153801. The cubic root of 45127472 is about 356.0248688599.

The spelling of 45127472 in words is "forty-five million, one hundred twenty-seven thousand, four hundred seventy-two".