143425242 has 40 divisors (see below), whose sum is σ = 332471700. Its totient is φ = 46158336.

The previous prime is 143425231. The next prime is 143425297. The reversal of 143425242 is 242524341.

It can be written as a sum of positive squares in 2 ways, for example, as 126360081 + 17065161 = 11241^2 + 4131^2 .

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 10567 + ... + 19962.

Almost surely, 2^143425242 is an apocalyptic number.

143425242 is an abundant number, since it is smaller than the sum of its proper divisors (189046458).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

143425242 is a wasteful number, since it uses less digits than its factorization.

143425242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30572 (or 30563 counting only the distinct ones).

The product of its digits is 7680, while the sum is 27.

The square root of 143425242 is about 11976.0278055789. The cubic root of 143425242 is about 523.4499915284.

Adding to 143425242 its reverse (242524341), we get a palindrome (385949583).

Subtracting 143425242 from its reverse (242524341), we obtain a palindrome (99099099).

The spelling of 143425242 in words is "one hundred forty-three million, four hundred twenty-five thousand, two hundred forty-two".