142470198 has 32 divisors (see below), whose sum is σ = 340956000. Its totient is φ = 43836768.

The previous prime is 142470187. The next prime is 142470271. The reversal of 142470198 is 891074241.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 100773 + ... + 102176.

It is an arithmetic number, because the mean of its divisors is an integer number (10654875).

Almost surely, 2^142470198 is an apocalyptic number.

142470198 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

142470198 is an abundant number, since it is smaller than the sum of its proper divisors (198485802).

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

142470198 is a wasteful number, since it uses less digits than its factorization.

142470198 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 202973 (or 202967 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 36.

The square root of 142470198 is about 11936.0880526243. The cubic root of 142470198 is about 522.2855486172.

The spelling of 142470198 in words is "one hundred forty-two million, four hundred seventy thousand, one hundred ninety-eight".