1143442025 has 24 divisors (see below), whose sum is σ = 1582752864. Its totient is φ = 812246400.

The previous prime is 1143442019. The next prime is 1143442031. The reversal of 1143442025 is 5202443411.

It is an interprime number because it is at equal distance from previous prime (1143442019) and next prime (1143442031).

It is not a de Polignac number, because 1143442025 - 2⁴ = 1143442009 is a prime.

It is a super-2 number, since 2×1143442025² = 2614919329072201250, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1143441985 and 1143442003.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 36524 + ... + 60173.

It is an arithmetic number, because the mean of its divisors is an integer number (65948036).

Almost surely, 2^1143442025 is an apocalyptic number.

It is an amenable number.

1143442025 is a deficient number, since it is larger than the sum of its proper divisors (439310839).

1143442025 is a wasteful number, since it uses less digits than its factorization.

1143442025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 96761 (or 96756 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 26.

The square root of 1143442025 is about 33814.8196062022. The cubic root of 1143442025 is about 1045.6942419461.

Adding to 1143442025 its reverse (5202443411), we get a palindrome (6345885436).

The spelling of 1143442025 in words is "one billion, one hundred forty-three million, four hundred forty-two thousand, twenty-five".