201441442 has 4 divisors (see below), whose sum is σ = 302162166. Its totient is φ = 100720720.

The previous prime is 201441421. The next prime is 201441469. The reversal of 201441442 is 244144102.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 244144102 = 2 ⋅122072051.

It can be written as a sum of positive squares in only one way, i.e., 190412401 + 11029041 = 13799^2 + 3321^2 .

It is a Smith number, since the sum of its digits (22) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50360359 + ... + 50360362.

Almost surely, 2^201441442 is an apocalyptic number.

201441442 is a deficient number, since it is larger than the sum of its proper divisors (100720724).

201441442 is a wasteful number, since it uses less digits than its factorization.

201441442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100720723.

The product of its (nonzero) digits is 1024, while the sum is 22.

The square root of 201441442 is about 14193.0067991247. The cubic root of 201441442 is about 586.2051198665.

Adding to 201441442 its reverse (244144102), we get a palindrome (445585544).

The spelling of 201441442 in words is "two hundred one million, four hundred forty-one thousand, four hundred forty-two".