9144572 has 24 divisors (see below), whose sum is σ = 17146080. Its totient is φ = 4252160.

The previous prime is 9144563. The next prime is 9144581. The reversal of 9144572 is 2754419.

It is a happy number.

9144572 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (9144563) and next prime (9144581).

It is a congruent 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, 5297 + ... + 6807.

It is an arithmetic number, because the mean of its divisors is an integer number (714420).

Almost surely, 2^9144572 is an apocalyptic number.

It is an amenable number.

9144572 is a deficient number, since it is larger than the sum of its proper divisors (8001508).

9144572 is a wasteful number, since it uses less digits than its factorization.

9144572 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1621 (or 1619 counting only the distinct ones).

The product of its digits is 10080, while the sum is 32.

The square root of 9144572 is about 3023.9993386243. Note that the first 3 decimals coincide. The cubic root of 9144572 is about 209.1162559179.

The spelling of 9144572 in words is "nine million, one hundred forty-four thousand, five hundred seventy-two".