142198114 has 4 divisors (see below), whose sum is σ = 213297174. Its totient is φ = 71099056.

The previous prime is 142198061. The next prime is 142198123. The reversal of 142198114 is 411891241.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 108847489 + 33350625 = 10433^2 + 5775^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35549527 + ... + 35549530.

Almost surely, 2^142198114 is an apocalyptic number.

142198114 is a deficient number, since it is larger than the sum of its proper divisors (71099060).

142198114 is an equidigital number, since it uses as much as digits as its factorization.

142198114 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71099059.

The product of its digits is 2304, while the sum is 31.

The square root of 142198114 is about 11924.6850692167. The cubic root of 142198114 is about 521.9528565832.

The spelling of 142198114 in words is "one hundred forty-two million, one hundred ninety-eight thousand, one hundred fourteen".