142198 has 12 divisors (see below), whose sum is σ = 248292. Its totient is φ = 60900.

The previous prime is 142193. The next prime is 142211. The reversal of 142198 is 891241.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142193) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 628 + ... + 823.

It is an arithmetic number, because the mean of its divisors is an integer number (20691).

2¹⁴²¹⁹⁸ is an apocalyptic number.

142198 is a deficient number, since it is larger than the sum of its proper divisors (106094).

142198 is a wasteful number, since it uses less digits than its factorization.

142198 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1467 (or 1460 counting only the distinct ones).

The product of its digits is 576, while the sum is 25.

The square root of 142198 is about 377.0915008324. The cubic root of 142198 is about 52.1952717100.

The spelling of 142198 in words is "one hundred forty-two thousand, one hundred ninety-eight".