142352422 has 8 divisors (see below), whose sum is σ = 213613272. Its totient is φ = 71148000.

The previous prime is 142352417. The next prime is 142352423. The reversal of 142352422 is 224253241.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142352423) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7104 + ... + 18307.

It is an arithmetic number, because the mean of its divisors is an integer number (26701659).

Almost surely, 2^142352422 is an apocalyptic number.

142352422 is a deficient number, since it is larger than the sum of its proper divisors (71260850).

142352422 is a wasteful number, since it uses less digits than its factorization.

142352422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28214.

The product of its digits is 3840, while the sum is 25.

The square root of 142352422 is about 11931.1534228674. The cubic root of 142352422 is about 522.1415894788.

The spelling of 142352422 in words is "one hundred forty-two million, three hundred fifty-two thousand, four hundred twenty-two".