1153443145 has 8 divisors (see below), whose sum is σ = 1384348104. Its totient is φ = 922610304.

The previous prime is 1153443139. The next prime is 1153443163. The reversal of 1153443145 is 5413443511.

It can be written as a sum of positive squares in 4 ways, for example, as 669619129 + 483824016 = 25877^2 + 21996^2 .

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1153443145 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27717 + ... + 55453.

It is an arithmetic number, because the mean of its divisors is an integer number (173043513).

Almost surely, 2^1153443145 is an apocalyptic number.

It is an amenable number.

1153443145 is a deficient number, since it is larger than the sum of its proper divisors (230904959).

1153443145 is an equidigital number, since it uses as much as digits as its factorization.

1153443145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36059.

The product of its digits is 14400, while the sum is 31.

The square root of 1153443145 is about 33962.3783766685. The cubic root of 1153443145 is about 1048.7341192133.

Adding to 1153443145 its reverse (5413443511), we get a palindrome (6566886656).

The spelling of 1153443145 in words is "one billion, one hundred fifty-three million, four hundred forty-three thousand, one hundred forty-five".