143013425 has 12 divisors (see below), whose sum is σ = 185047680. Its totient is φ = 109435920.

The previous prime is 143013397. The next prime is 143013427. The reversal of 143013425 is 524310341.

It is not a de Polignac number, because 143013425 - 2²⁶ = 75904561 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a self number, because there is not a number n which added to its sum of digits gives 143013425.

It is not an unprimeable number, because it can be changed into a prime (143013427) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 123785 + ... + 124934.

It is an arithmetic number, because the mean of its divisors is an integer number (15420640).

Almost surely, 2^143013425 is an apocalyptic number.

It is an amenable number.

143013425 is a deficient number, since it is larger than the sum of its proper divisors (42034255).

143013425 is a wasteful number, since it uses less digits than its factorization.

143013425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 248752 (or 248747 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 23.

The square root of 143013425 is about 11958.8220573767. The cubic root of 143013425 is about 522.9485171487.

Adding to 143013425 its reverse (524310341), we get a palindrome (667323766).

The spelling of 143013425 in words is "one hundred forty-three million, thirteen thousand, four hundred twenty-five".