1145015817 has 8 divisors (see below), whose sum is σ = 1665477600. Its totient is φ = 693948960.

The previous prime is 1145015813. The next prime is 1145015819. The reversal of 1145015817 is 7185105411.

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

It is not a de Polignac number, because 1145015817 - 2² = 1145015813 is a prime.

It is a super-2 number, since 2×1145015817² = 2622122442360354978, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (33), and also a Moran number because the ratio is a prime number: 34697449 = 1145015817 / (1 + 1 + 4 + 5 + 0 + 1 + 5 + 8 + 1 + 7).

It is not an unprimeable number, because it can be changed into a prime (1145015813) 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, 17348692 + ... + 17348757.

It is an arithmetic number, because the mean of its divisors is an integer number (208184700).

Almost surely, 2^1145015817 is an apocalyptic number.

It is an amenable number.

1145015817 is a deficient number, since it is larger than the sum of its proper divisors (520461783).

1145015817 is a wasteful number, since it uses less digits than its factorization.

1145015817 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34697463.

The product of its (nonzero) digits is 5600, while the sum is 33.

The square root of 1145015817 is about 33838.0823481473. The cubic root of 1145015817 is about 1046.1737738459.

The spelling of 1145015817 in words is "one billion, one hundred forty-five million, fifteen thousand, eight hundred seventeen".