142008194 has 16 divisors (see below), whose sum is σ = 215913600. Its totient is φ = 70041984.

The previous prime is 142008173. The next prime is 142008199. The reversal of 142008194 is 491800241.

It is not an unprimeable number, because it can be changed into a prime (142008199) 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, 68627 + ... + 70665.

It is an arithmetic number, because the mean of its divisors is an integer number (13494600).

Almost surely, 2^142008194 is an apocalyptic number.

142008194 is a deficient number, since it is larger than the sum of its proper divisors (73905406).

142008194 is a wasteful number, since it uses less digits than its factorization.

142008194 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2497.

The product of its (nonzero) digits is 2304, while the sum is 29.

The square root of 142008194 is about 11916.7190954558. The cubic root of 142008194 is about 521.7203793984.

The spelling of 142008194 in words is "one hundred forty-two million, eight thousand, one hundred ninety-four".