143254115133231 has 16 divisors (see below), whose sum is σ = 191173831711200. Its totient is φ = 95418581505408.

The previous prime is 143254115133193. The next prime is 143254115133247. The reversal of 143254115133231 is 132331511452341.

It is not a de Polignac number, because 143254115133231 - 2³⁴ = 143236935264047 is a prime.

It is a super-2 number, since 2×143254115133231² (a number of 29 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 143254115133231.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (143254115133271) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 53515465 + ... + 56128541.

It is an arithmetic number, because the mean of its divisors is an integer number (11948364481950).

Almost surely, 2^{143254115133231} is an apocalyptic number.

143254115133231 is a deficient number, since it is larger than the sum of its proper divisors (47919716577969).

143254115133231 is a wasteful number, since it uses less digits than its factorization.

143254115133231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2629178.

The product of its digits is 129600, while the sum is 39.

Adding to 143254115133231 its reverse (132331511452341), we get a palindrome (275585626585572).

The spelling of 143254115133231 in words is "one hundred forty-three trillion, two hundred fifty-four billion, one hundred fifteen million, one hundred thirty-three thousand, two hundred thirty-one".