201144140092 has 24 divisors (see below), whose sum is σ = 403384454144. Its totient is φ = 85969737072.

The previous prime is 201144140089. The next prime is 201144140123. The reversal of 201144140092 is 290041441102.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a self number, because there is not a number n which added to its sum of digits gives 201144140092.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9776808 + ... + 9797359.

Almost surely, 2^201144140092 is an apocalyptic number.

It is an amenable number.

201144140092 is an abundant number, since it is smaller than the sum of its proper divisors (202240314052).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

201144140092 is a wasteful number, since it uses less digits than its factorization.

201144140092 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19574545 (or 19574543 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 28.

Adding to 201144140092 its reverse (290041441102), we get a palindrome (491185581194).

The spelling of 201144140092 in words is "two hundred one billion, one hundred forty-four million, one hundred forty thousand, ninety-two".