1143084385 has 16 divisors (see below), whose sum is σ = 1389560832. Its totient is φ = 902636800.

The previous prime is 1143084377. The next prime is 1143084407. The reversal of 1143084385 is 5834803411.

It is not a de Polignac number, because 1143084385 - 2³ = 1143084377 is a prime.

It is a super-2 number, since 2×1143084385² = 2613283822461656450, which contains 22 as substring.

It is a Duffinian 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, 120537 + ... + 129673.

It is an arithmetic number, because the mean of its divisors is an integer number (86847552).

Almost surely, 2^1143084385 is an apocalyptic number.

It is an amenable number.

1143084385 is a deficient number, since it is larger than the sum of its proper divisors (246476447).

1143084385 is a wasteful number, since it uses less digits than its factorization.

1143084385 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9464.

The product of its (nonzero) digits is 46080, while the sum is 37.

The square root of 1143084385 is about 33809.5309787048. The cubic root of 1143084385 is about 1045.5852082630.

Adding to 1143084385 its reverse (5834803411), we get a palindrome (6977887796).

The spelling of 1143084385 in words is "one billion, one hundred forty-three million, eighty-four thousand, three hundred eighty-five".