9143572 has 6 divisors (see below), whose sum is σ = 16001258. Its totient is φ = 4571784.

The previous prime is 9143567. The next prime is 9143573. The reversal of 9143572 is 2753419.

It can be written as a sum of positive squares in only one way, i.e., 5317636 + 3825936 = 2306^2 + 1956^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9143573) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1142943 + ... + 1142950.

Almost surely, 2^9143572 is an apocalyptic number.

It is an amenable number.

9143572 is a deficient number, since it is larger than the sum of its proper divisors (6857686).

9143572 is a wasteful number, since it uses less digits than its factorization.

9143572 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2285897 (or 2285895 counting only the distinct ones).

The product of its digits is 7560, while the sum is 31.

The square root of 9143572 is about 3023.8339901522. The cubic root of 9143572 is about 209.1086330396.

The spelling of 9143572 in words is "nine million, one hundred forty-three thousand, five hundred seventy-two".