1143102545 has 8 divisors (see below), whose sum is σ = 1477240296. Its totient is φ = 844137216.

The previous prime is 1143102503. The next prime is 1143102577. The reversal of 1143102545 is 5452013411.

It can be written as a sum of positive squares in 4 ways, for example, as 16224784 + 1126877761 = 4028^2 + 33569^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1143102545 - 2⁶ = 1143102481 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8793032 + ... + 8793161.

It is an arithmetic number, because the mean of its divisors is an integer number (184655037).

Almost surely, 2^1143102545 is an apocalyptic number.

It is an amenable number.

1143102545 is a deficient number, since it is larger than the sum of its proper divisors (334137751).

1143102545 is a wasteful number, since it uses less digits than its factorization.

1143102545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17586211.

The product of its (nonzero) digits is 2400, while the sum is 26.

The square root of 1143102545 is about 33809.7995409615. The cubic root of 1143102545 is about 1045.5907452490.

Adding to 1143102545 its reverse (5452013411), we get a palindrome (6595115956).

The spelling of 1143102545 in words is "one billion, one hundred forty-three million, one hundred two thousand, five hundred forty-five".