1143146345 has 16 divisors (see below), whose sum is σ = 1561548672. Its totient is φ = 795231360.

The previous prime is 1143146311. The next prime is 1143146383. The reversal of 1143146345 is 5436413411.

It is a happy number.

It is not a de Polignac number, because 1143146345 - 2¹⁰ = 1143145321 is a prime.

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, 450572 + ... + 453101.

It is an arithmetic number, because the mean of its divisors is an integer number (97596792).

Almost surely, 2^1143146345 is an apocalyptic number.

It is an amenable number.

1143146345 is a deficient number, since it is larger than the sum of its proper divisors (418402327).

1143146345 is a wasteful number, since it uses less digits than its factorization.

1143146345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 903712.

The product of its digits is 17280, while the sum is 32.

The square root of 1143146345 is about 33810.4472759530. The cubic root of 1143146345 is about 1045.6040996327.

Adding to 1143146345 its reverse (5436413411), we get a palindrome (6579559756).

The spelling of 1143146345 in words is "one billion, one hundred forty-three million, one hundred forty-six thousand, three hundred forty-five".