193264144 has 20 divisors (see below), whose sum is σ = 375075324. Its totient is φ = 96470528.

The previous prime is 193264121. The next prime is 193264151. The reversal of 193264144 is 441462391.

It can be written as a sum of positive squares in 2 ways, for example, as 91011600 + 102252544 = 9540^2 + 10112^2 .

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, 84 + ... + 19660.

Almost surely, 2^193264144 is an apocalyptic number.

It is an amenable number.

193264144 is a deficient number, since it is larger than the sum of its proper divisors (181811180).

193264144 is a wasteful number, since it uses less digits than its factorization.

193264144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20202 (or 20196 counting only the distinct ones).

The product of its digits is 20736, while the sum is 34.

The square root of 193264144 is about 13901.9474894707. The cubic root of 193264144 is about 578.1631783465.

The spelling of 193264144 in words is "one hundred ninety-three million, two hundred sixty-four thousand, one hundred forty-four".