10142194 has 4 divisors (see below), whose sum is σ = 15213294. Its totient is φ = 5071096.

The previous prime is 10142191. The next prime is 10142203. The reversal of 10142194 is 49124101.

10142194 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.

It can be written as a sum of positive squares in only one way, i.e., 5359225 + 4782969 = 2315^2 + 2187^2 .

It is not an unprimeable number, because it can be changed into a prime (10142191) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2535547 + ... + 2535550.

Almost surely, 2^10142194 is an apocalyptic number.

10142194 is a deficient number, since it is larger than the sum of its proper divisors (5071100).

10142194 is an equidigital number, since it uses as much as digits as its factorization.

10142194 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5071099.

The product of its (nonzero) digits is 288, while the sum is 22.

The square root of 10142194 is about 3184.6811457350. The cubic root of 10142194 is about 216.4598257447.

Adding to 10142194 its reverse (49124101), we get a palindrome (59266295).

The spelling of 10142194 in words is "ten million, one hundred forty-two thousand, one hundred ninety-four".