142694 has 4 divisors (see below), whose sum is σ = 214044. Its totient is φ = 71346.

The previous prime is 142673. The next prime is 142697. The reversal of 142694 is 496241.

142694 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 496241 = 677 ⋅733.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142697) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35672 + ... + 35675.

It is an arithmetic number, because the mean of its divisors is an integer number (53511).

2¹⁴²⁶⁹⁴ is an apocalyptic number.

142694 is a deficient number, since it is larger than the sum of its proper divisors (71350).

142694 is an equidigital number, since it uses as much as digits as its factorization.

142694 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71349.

The product of its digits is 1728, while the sum is 26.

The square root of 142694 is about 377.7485936440. The cubic root of 142694 is about 52.2558886246.

The spelling of 142694 in words is "one hundred forty-two thousand, six hundred ninety-four".