133645165144 has 16 divisors (see below), whose sum is σ = 255916274400. Its totient is φ = 65400825312.

The previous prime is 133645165139. The next prime is 133645165153. The reversal of 133645165144 is 441561546331.

It is a super-2 number, since 2×133645165144² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 133645165144.

It is a congruent number.

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, 177719259 + ... + 177720010.

It is an arithmetic number, because the mean of its divisors is an integer number (15994767150).

Almost surely, 2^133645165144 is an apocalyptic number.

It is an amenable number.

133645165144 is a deficient number, since it is larger than the sum of its proper divisors (122271109256).

133645165144 is a wasteful number, since it uses less digits than its factorization.

133645165144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 355439322 (or 355439318 counting only the distinct ones).

The product of its digits is 518400, while the sum is 43.

The spelling of 133645165144 in words is "one hundred thirty-three billion, six hundred forty-five million, one hundred sixty-five thousand, one hundred forty-four".