142402198 has 8 divisors (see below), whose sum is σ = 218148192. Its totient is φ = 69686136.

The previous prime is 142402181. The next prime is 142402199. The reversal of 142402198 is 891204241.

142402198 is digitally balanced in base 2 and base 3, because in such bases 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 a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142402199) 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, 757365 + ... + 757552.

It is an arithmetic number, because the mean of its divisors is an integer number (27268524).

Almost surely, 2^142402198 is an apocalyptic number.

142402198 is a deficient number, since it is larger than the sum of its proper divisors (75745994).

142402198 is a wasteful number, since it uses less digits than its factorization.

142402198 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1514966.

The product of its (nonzero) digits is 4608, while the sum is 31.

The square root of 142402198 is about 11933.2392081949. The cubic root of 142402198 is about 522.2024410159.

The spelling of 142402198 in words is "one hundred forty-two million, four hundred two thousand, one hundred ninety-eight".