143254102681 has 16 divisors (see below), whose sum is σ = 150802208640. Its totient is φ = 135820776960.

The previous prime is 143254102669. The next prime is 143254102687. The reversal of 143254102681 is 186201452341.

It is a cyclic number.

It is not a de Polignac number, because 143254102681 - 2²⁷ = 143119884953 is a prime.

It is a super-2 number, since 2×143254102681² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 143254102681.

It is not an unprimeable number, because it can be changed into a prime (143254102687) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1262665 + ... + 1371433.

It is an arithmetic number, because the mean of its divisors is an integer number (9425138040).

Almost surely, 2^143254102681 is an apocalyptic number.

It is an amenable number.

143254102681 is a deficient number, since it is larger than the sum of its proper divisors (7548105959).

143254102681 is a wasteful number, since it uses less digits than its factorization.

143254102681 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 109296.

The product of its (nonzero) digits is 46080, while the sum is 37.

The spelling of 143254102681 in words is "one hundred forty-three billion, two hundred fifty-four million, one hundred two thousand, six hundred eighty-one".