8101442 has 4 divisors (see below), whose sum is σ = 12152166. Its totient is φ = 4050720.

The previous prime is 8101399. The next prime is 8101459. The reversal of 8101442 is 2441018.

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., 5480281 + 2621161 = 2341^2 + 1619^2 .

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, 2025359 + ... + 2025362.

Almost surely, 2^8101442 is an apocalyptic number.

8101442 is a deficient number, since it is larger than the sum of its proper divisors (4050724).

8101442 is a wasteful number, since it uses less digits than its factorization.

8101442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4050723.

The product of its (nonzero) digits is 256, while the sum is 20.

The square root of 8101442 is about 2846.3032164546. The cubic root of 8101442 is about 200.8418018769.

The spelling of 8101442 in words is "eight million, one hundred one thousand, four hundred forty-two".