1152216245 has 8 divisors (see below), whose sum is σ = 1383254016. Its totient is φ = 921376656.

The previous prime is 1152216203. The next prime is 1152216269. The reversal of 1152216245 is 5426122511.

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-1152216245 is a prime.

It is a Duffinian number.

It is a congruent 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, 36437 + ... + 60266.

It is an arithmetic number, because the mean of its divisors is an integer number (172906752).

Almost surely, 2^1152216245 is an apocalyptic number.

It is an amenable number.

1152216245 is a deficient number, since it is larger than the sum of its proper divisors (231037771).

1152216245 is an equidigital number, since it uses as much as digits as its factorization.

1152216245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 99091.

The product of its digits is 4800, while the sum is 29.

The square root of 1152216245 is about 33944.3109371806. The cubic root of 1152216245 is about 1048.3621464296.

Adding to 1152216245 its reverse (5426122511), we get a palindrome (6578338756).

The spelling of 1152216245 in words is "one billion, one hundred fifty-two million, two hundred sixteen thousand, two hundred forty-five".