143632745131 has 4 divisors (see below), whose sum is σ = 144233719200. Its totient is φ = 143031771064.

The previous prime is 143632745101. The next prime is 143632745143. The reversal of 143632745131 is 131547236341.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 131547236341 = 439 ⋅299652019.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-143632745131 is a prime.

It is a super-2 number, since 2×143632745131² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (143632745101) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 300486676 + ... + 300487153.

It is an arithmetic number, because the mean of its divisors is an integer number (36058429800).

Almost surely, 2^143632745131 is an apocalyptic number.

143632745131 is a deficient number, since it is larger than the sum of its proper divisors (600974069).

143632745131 is an equidigital number, since it uses as much as digits as its factorization.

143632745131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 600974068.

The product of its digits is 181440, while the sum is 40.

The spelling of 143632745131 in words is "one hundred forty-three billion, six hundred thirty-two million, seven hundred forty-five thousand, one hundred thirty-one".