194142302 has 4 divisors (see below), whose sum is σ = 291213456. Its totient is φ = 97071150.

The previous prime is 194142281. The next prime is 194142341. The reversal of 194142302 is 203241491.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 203241491 = 139 ⋅1462169.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 48535574 + ... + 48535577.

It is an arithmetic number, because the mean of its divisors is an integer number (72803364).

Almost surely, 2^194142302 is an apocalyptic number.

194142302 is a deficient number, since it is larger than the sum of its proper divisors (97071154).

194142302 is an equidigital number, since it uses as much as digits as its factorization.

194142302 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 97071153.

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

The square root of 194142302 is about 13933.4956848596. The cubic root of 194142302 is about 579.0375456774.

Adding to 194142302 its reverse (203241491), we get a palindrome (397383793).

The spelling of 194142302 in words is "one hundred ninety-four million, one hundred forty-two thousand, three hundred two".