1141400144 has 10 divisors (see below), whose sum is σ = 2211462810. Its totient is φ = 570700064.

The previous prime is 1141400089. The next prime is 1141400171. The reversal of 1141400144 is 4410041411.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 807241744 + 334158400 = 28412^2 + 18280^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35668739 + ... + 35668770.

It is an arithmetic number, because the mean of its divisors is an integer number (221146281).

Almost surely, 2^1141400144 is an apocalyptic number.

It is an amenable number.

1141400144 is a deficient number, since it is larger than the sum of its proper divisors (1070062666).

1141400144 is an equidigital number, since it uses as much as digits as its factorization.

1141400144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71337517 (or 71337511 counting only the distinct ones).

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

The square root of 1141400144 is about 33784.6140128905. The cubic root of 1141400144 is about 1045.0714278535.

Adding to 1141400144 its reverse (4410041411), we get a palindrome (5551441555).

The spelling of 1141400144 in words is "one billion, one hundred forty-one million, four hundred thousand, one hundred forty-four".