142425402 has 16 divisors (see below), whose sum is σ = 325543872. Its totient is φ = 40692960.

The previous prime is 142425397. The next prime is 142425403. The reversal of 142425402 is 204524241.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (142425403) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1695499 + ... + 1695582.

It is an arithmetic number, because the mean of its divisors is an integer number (20346492).

Almost surely, 2^142425402 is an apocalyptic number.

142425402 is an abundant number, since it is smaller than the sum of its proper divisors (183118470).

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

142425402 is a wasteful number, since it uses less digits than its factorization.

142425402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3391093.

The product of its (nonzero) digits is 2560, while the sum is 24.

The square root of 142425402 is about 11934.2114108977. The cubic root of 142425402 is about 522.2308032358.

Adding to 142425402 its reverse (204524241), we get a palindrome (346949643).

The spelling of 142425402 in words is "one hundred forty-two million, four hundred twenty-five thousand, four hundred two".