142180694 has 16 divisors (see below), whose sum is σ = 221623296. Its totient is φ = 68337000.

The previous prime is 142180679. The next prime is 142180697. The reversal of 142180694 is 496081241.

It is a happy number.

It is a Smith number, since the sum of its digits (35) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142180697) 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, 1769 + ... + 16955.

It is an arithmetic number, because the mean of its divisors is an integer number (13851456).

Almost surely, 2^142180694 is an apocalyptic number.

142180694 is a deficient number, since it is larger than the sum of its proper divisors (79442602).

142180694 is a wasteful number, since it uses less digits than its factorization.

142180694 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15371.

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

The square root of 142180694 is about 11923.9546292327. The cubic root of 142180694 is about 521.9315417434.

The spelling of 142180694 in words is "one hundred forty-two million, one hundred eighty thousand, six hundred ninety-four".