143256425429 has 4 divisors (see below), whose sum is σ = 154276150476. Its totient is φ = 132236700384.

The previous prime is 143256425393. The next prime is 143256425441. The reversal of 143256425429 is 924524652341.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 33514624900 + 109741800529 = 183070^2 + 331273^2 .

It is a cyclic number.

It is not a de Polignac number, because 143256425429 - 2⁸ = 143256425173 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (143256425029) 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, 5509862504 + ... + 5509862529.

It is an arithmetic number, because the mean of its divisors is an integer number (38569037619).

Almost surely, 2^143256425429 is an apocalyptic number.

It is an amenable number.

143256425429 is a deficient number, since it is larger than the sum of its proper divisors (11019725047).

143256425429 is a wasteful number, since it uses less digits than its factorization.

143256425429 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11019725046.

The product of its digits is 2073600, while the sum is 47.

The spelling of 143256425429 in words is "one hundred forty-three billion, two hundred fifty-six million, four hundred twenty-five thousand, four hundred twenty-nine".