142064198 has 16 divisors (see below), whose sum is σ = 214837920. Its totient is φ = 70454400.

The previous prime is 142064191. The next prime is 142064233. The reversal of 142064198 is 891460241.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142064191) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 172628 + ... + 173448.

It is an arithmetic number, because the mean of its divisors is an integer number (13427370).

Almost surely, 2^142064198 is an apocalyptic number.

142064198 is a deficient number, since it is larger than the sum of its proper divisors (72773722).

142064198 is a wasteful number, since it uses less digits than its factorization.

142064198 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1423.

The product of its (nonzero) digits is 13824, while the sum is 35.

The square root of 142064198 is about 11919.0686716706. The cubic root of 142064198 is about 521.7889542864.

The spelling of 142064198 in words is "one hundred forty-two million, sixty-four thousand, one hundred ninety-eight".