1143363441 has 32 divisors (see below), whose sum is σ = 1765120896. Its totient is φ = 650624000.

The previous prime is 1143363439. The next prime is 1143363461. The reversal of 1143363441 is 1443633411.

It is not a de Polignac number, because 1143363441 - 2¹ = 1143363439 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1143363399 and 1143363408.

It is not an unprimeable number, because it can be changed into a prime (1143363461) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 256411 + ... + 260831.

It is an arithmetic number, because the mean of its divisors is an integer number (55160028).

Almost surely, 2^1143363441 is an apocalyptic number.

1143363441 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1143363441 is a deficient number, since it is larger than the sum of its proper divisors (621757455).

1143363441 is a wasteful number, since it uses less digits than its factorization.

1143363441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4913.

The product of its digits is 10368, while the sum is 30.

The square root of 1143363441 is about 33813.6576104982. The cubic root of 1143363441 is about 1045.6702859964.

Adding to 1143363441 its reverse (1443633411), we get a palindrome (2586996852).

The spelling of 1143363441 in words is "one billion, one hundred forty-three million, three hundred sixty-three thousand, four hundred forty-one".