201444313142 has 4 divisors (see below), whose sum is σ = 302166469716. Its totient is φ = 100722156570.

The previous prime is 201444313097. The next prime is 201444313151. The reversal of 201444313142 is 241313444102.

It is a semiprime because it is the product of two primes.

It is a super-2 number, since 2×201444313142² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50361078284 + ... + 50361078287.

It is an arithmetic number, because the mean of its divisors is an integer number (75541617429).

Almost surely, 2^201444313142 is an apocalyptic number.

201444313142 is a deficient number, since it is larger than the sum of its proper divisors (100722156574).

201444313142 is a wasteful number, since it uses less digits than its factorization.

201444313142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100722156573.

The product of its (nonzero) digits is 9216, while the sum is 29.

Adding to 201444313142 its reverse (241313444102), we get a palindrome (442757757244).

The spelling of 201444313142 in words is "two hundred one billion, four hundred forty-four million, three hundred thirteen thousand, one hundred forty-two".