1144012141 has 4 divisors (see below), whose sum is σ = 1156866300. Its totient is φ = 1131157984.

The previous prime is 1144012109. The next prime is 1144012159. The reversal of 1144012141 is 1412104411.

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

It can be written as a sum of positive squares in 2 ways, for example, as 230159241 + 913852900 = 15171^2 + 30230^2 .

It is a cyclic number.

It is not a de Polignac number, because 1144012141 - 2⁵ = 1144012109 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1144012171) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6426946 + ... + 6427123.

It is an arithmetic number, because the mean of its divisors is an integer number (289216575).

Almost surely, 2^1144012141 is an apocalyptic number.

It is an amenable number.

1144012141 is a deficient number, since it is larger than the sum of its proper divisors (12854159).

1144012141 is an equidigital number, since it uses as much as digits as its factorization.

1144012141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12854158.

The product of its (nonzero) digits is 128, while the sum is 19.

The square root of 1144012141 is about 33823.2485281943. The cubic root of 1144012141 is about 1045.8680061745.

Adding to 1144012141 its reverse (1412104411), we get a palindrome (2556116552).

The spelling of 1144012141 in words is "one billion, one hundred forty-four million, twelve thousand, one hundred forty-one".