196147442 has 4 divisors (see below), whose sum is σ = 294221166. Its totient is φ = 98073720.

The previous prime is 196147439. The next prime is 196147451. The reversal of 196147442 is 244741691.

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., 142110241 + 54037201 = 11921^2 + 7351^2 .

It is a junction number, because it is equal to n+sod(n) for n = 196147396 and 196147405.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49036859 + ... + 49036862.

Almost surely, 2^196147442 is an apocalyptic number.

196147442 is a deficient number, since it is larger than the sum of its proper divisors (98073724).

196147442 is an equidigital number, since it uses as much as digits as its factorization.

196147442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 98073723.

The product of its digits is 48384, while the sum is 38.

The square root of 196147442 is about 14005.2647957830. The cubic root of 196147442 is about 581.0241931382.

The spelling of 196147442 in words is "one hundred ninety-six million, one hundred forty-seven thousand, four hundred forty-two".