9142143264 has 72 divisors (see below), whose sum is σ = 26632101132. Its totient is φ = 2973050880.

The previous prime is 9142143259. The next prime is 9142143271. The reversal of 9142143264 is 4623412419.

It can be written as a sum of positive squares in 2 ways, for example, as 6905610000 + 2236533264 = 83100^2 + 47292^2 .

It is a tau number, because it is divible by the number of its divisors (72).

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a nude number because it is divisible by every one of its digits.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 375309 + ... + 398924.

Almost surely, 2^9142143264 is an apocalyptic number.

It is an amenable number.

9142143264 is an abundant number, since it is smaller than the sum of its proper divisors (17489957868).

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

9142143264 is a wasteful number, since it uses less digits than its factorization.

9142143264 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 774290 (or 774279 counting only the distinct ones).

The product of its digits is 41472, while the sum is 36.

The square root of 9142143264 is about 95614.5557119835. Note that the first 3 decimals coincide. The cubic root of 9142143264 is about 2090.9774099453.

The spelling of 9142143264 in words is "nine billion, one hundred forty-two million, one hundred forty-three thousand, two hundred sixty-four".