1144334421 has 12 divisors (see below), whose sum is σ = 1656614700. Its totient is φ = 761187840.

The previous prime is 1144334419. The next prime is 1144334423. The reversal of 1144334421 is 1244334411.

It is an interprime number because it is at equal distance from previous prime (1144334419) and next prime (1144334423).

It can be written as a sum of positive squares in 2 ways, for example, as 788823396 + 355511025 = 28086^2 + 18855^2 .

It is not a de Polignac number, because 1144334421 - 2¹ = 1144334419 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1144334423) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 137550 + ... + 145631.

It is an arithmetic number, because the mean of its divisors is an integer number (138051225).

Almost surely, 2^1144334421 is an apocalyptic number.

It is an amenable number.

1144334421 is a deficient number, since it is larger than the sum of its proper divisors (512280279).

1144334421 is a wasteful number, since it uses less digits than its factorization.

1144334421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 283636 (or 283633 counting only the distinct ones).

The product of its digits is 4608, while the sum is 27.

The square root of 1144334421 is about 33828.0123714060. The cubic root of 1144334421 is about 1045.9662075492.

Adding to 1144334421 its reverse (1244334411), we get a palindrome (2388668832).

The spelling of 1144334421 in words is "one billion, one hundred forty-four million, three hundred thirty-four thousand, four hundred twenty-one".