1143005474 has 12 divisors (see below), whose sum is σ = 1856539026. Its totient is φ = 527540832.

The previous prime is 1143005467. The next prime is 1143005491. The reversal of 1143005474 is 4745003411.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 714225625 + 428779849 = 26725^2 + 20707^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1690499 + ... + 1691174.

Almost surely, 2^1143005474 is an apocalyptic number.

1143005474 is a deficient number, since it is larger than the sum of its proper divisors (713533552).

1143005474 is a wasteful number, since it uses less digits than its factorization.

1143005474 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3381701 (or 3381688 counting only the distinct ones).

The product of its (nonzero) digits is 6720, while the sum is 29.

The square root of 1143005474 is about 33808.3639651492. The cubic root of 1143005474 is about 1045.5611476092.

Adding to 1143005474 its reverse (4745003411), we get a palindrome (5888008885).

The spelling of 1143005474 in words is "one billion, one hundred forty-three million, five thousand, four hundred seventy-four".