9141144772 has 12 divisors (see below), whose sum is σ = 15998201856. Its totient is φ = 4570229960.

The previous prime is 9141144731. The next prime is 9141144797. The reversal of 9141144772 is 2774411419.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19948 + ... + 136675.

It is an arithmetic number, because the mean of its divisors is an integer number (1333183488).

Almost surely, 2^9141144772 is an apocalyptic number.

It is an amenable number.

9141144772 is a deficient number, since it is larger than the sum of its proper divisors (6857057084).

9141144772 is a wasteful number, since it uses less digits than its factorization.

9141144772 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 171218 (or 171216 counting only the distinct ones).

The product of its digits is 56448, while the sum is 40.

The square root of 9141144772 is about 95609.3341259105. The cubic root of 9141144772 is about 2090.9012826387.

The spelling of 9141144772 in words is "nine billion, one hundred forty-one million, one hundred forty-four thousand, seven hundred seventy-two".