143425442 has 8 divisors (see below), whose sum is σ = 215288832. Its totient is φ = 71662500.

The previous prime is 143425427. The next prime is 143425453. The reversal of 143425442 is 244524341.

143425442 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21434 + ... + 27317.

It is an arithmetic number, because the mean of its divisors is an integer number (26911104).

Almost surely, 2^143425442 is an apocalyptic number.

143425442 is a deficient number, since it is larger than the sum of its proper divisors (71863390).

143425442 is a wasteful number, since it uses less digits than its factorization.

143425442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50224.

The product of its digits is 15360, while the sum is 29.

The square root of 143425442 is about 11976.0361555900. The cubic root of 143425442 is about 523.4502348374.

Adding to 143425442 its reverse (244524341), we get a palindrome (387949783).

The spelling of 143425442 in words is "one hundred forty-three million, four hundred twenty-five thousand, four hundred forty-two".