143253242 has 16 divisors (see below), whose sum is σ = 234792864. Its totient is φ = 65010000.

The previous prime is 143253211. The next prime is 143253277. The reversal of 143253242 is 242352341.

143253242 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9617 + ... + 19467.

It is an arithmetic number, because the mean of its divisors is an integer number (14674554).

Almost surely, 2^143253242 is an apocalyptic number.

143253242 is a deficient number, since it is larger than the sum of its proper divisors (91539622).

143253242 is a wasteful number, since it uses less digits than its factorization.

143253242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10525.

The product of its digits is 5760, while the sum is 26.

The square root of 143253242 is about 11968.8446393125. The cubic root of 143253242 is about 523.2406620046.

Subtracting 143253242 from its reverse (242352341), we obtain a palindrome (99099099).

The spelling of 143253242 in words is "one hundred forty-three million, two hundred fifty-three thousand, two hundred forty-two".