143661775132 has 48 divisors (see below), whose sum is σ = 255046176000. Its totient is φ = 70800238080.

The previous prime is 143661775099. The next prime is 143661775177. The reversal of 143661775132 is 231577166341.

It is a happy number.

It is a super-3 number, since 3×143661775132³ (a number of 34 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 96871663 + ... + 96873145.

It is an arithmetic number, because the mean of its divisors is an integer number (5313462000).

Almost surely, 2^143661775132 is an apocalyptic number.

It is an amenable number.

143661775132 is a deficient number, since it is larger than the sum of its proper divisors (111384400868).

143661775132 is a wasteful number, since it uses less digits than its factorization.

143661775132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2746 (or 2744 counting only the distinct ones).

The product of its digits is 635040, while the sum is 46.

The spelling of 143661775132 in words is "one hundred forty-three billion, six hundred sixty-one million, seven hundred seventy-five thousand, one hundred thirty-two".