425143142 has 8 divisors (see below), whose sum is σ = 638456256. Its totient is φ = 212324392.

The previous prime is 425143111. The next prime is 425143151. The reversal of 425143142 is 241341524.

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

It is a congruent number.

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, 121433 + ... + 124884.

It is an arithmetic number, because the mean of its divisors is an integer number (79807032).

Almost surely, 2^425143142 is an apocalyptic number.

425143142 is a deficient number, since it is larger than the sum of its proper divisors (213313114).

425143142 is a wasteful number, since it uses less digits than its factorization.

425143142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 247182.

The product of its digits is 3840, while the sum is 26.

The square root of 425143142 is about 20618.9995392599. Note that the first 3 decimals coincide. The cubic root of 425143142 is about 751.9316971972.

Adding to 425143142 its reverse (241341524), we get a palindrome (666484666).

The spelling of 425143142 in words is "four hundred twenty-five million, one hundred forty-three thousand, one hundred forty-two".