1144896815 has 8 divisors (see below), whose sum is σ = 1375554528. Its totient is φ = 914798560.

The previous prime is 1144896811. The next prime is 1144896817. The reversal of 1144896815 is 5186984411.

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

It is not a de Polignac number, because 1144896815 - 2² = 1144896811 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1144896815.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1144896811) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 135347 + ... + 143556.

It is an arithmetic number, because the mean of its divisors is an integer number (171944316).

Almost surely, 2^1144896815 is an apocalyptic number.

1144896815 is a deficient number, since it is larger than the sum of its proper divisors (230657713).

1144896815 is an equidigital number, since it uses as much as digits as its factorization.

1144896815 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 279729.

The product of its digits is 276480, while the sum is 47.

The square root of 1144896815 is about 33836.3238990290. The cubic root of 1144896815 is about 1046.1375294893.

The spelling of 1144896815 in words is "one billion, one hundred forty-four million, eight hundred ninety-six thousand, eight hundred fifteen".