1144361005 has 16 divisors (see below), whose sum is σ = 1395281664. Its totient is φ = 900820800.

The previous prime is 1144360969. The next prime is 1144361011. The reversal of 1144361005 is 5001634411.

It is a de Polignac number, because none of the positive numbers 2^k-1144361005 is a prime.

It is a super-2 number, since 2×1144361005² = 2619124219529220050, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 485580 + ... + 487930.

It is an arithmetic number, because the mean of its divisors is an integer number (87205104).

Almost surely, 2^1144361005 is an apocalyptic number.

It is an amenable number.

1144361005 is a deficient number, since it is larger than the sum of its proper divisors (250920659).

1144361005 is a wasteful number, since it uses less digits than its factorization.

1144361005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3876.

The product of its (nonzero) digits is 1440, while the sum is 25.

The square root of 1144361005 is about 33828.4052979149. The cubic root of 1144361005 is about 1045.9743070901.

Adding to 1144361005 its reverse (5001634411), we get a palindrome (6145995416).

The spelling of 1144361005 in words is "one billion, one hundred forty-four million, three hundred sixty-one thousand, five".