1152449665 has 8 divisors (see below), whose sum is σ = 1415101248. Its totient is φ = 900518640.

The previous prime is 1152449663. The next prime is 1152449671. The reversal of 1152449665 is 5669442511.

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

It is not a de Polignac number, because 1152449665 - 2¹ = 1152449663 is a prime.

It is a super-2 number, since 2×1152449665² = 2656280460717224450, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (43).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1152449663) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2679901 + ... + 2680330.

It is an arithmetic number, because the mean of its divisors is an integer number (176887656).

Almost surely, 2^1152449665 is an apocalyptic number.

It is an amenable number.

1152449665 is a deficient number, since it is larger than the sum of its proper divisors (262651583).

1152449665 is an equidigital number, since it uses as much as digits as its factorization.

1152449665 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5360279.

The product of its digits is 259200, while the sum is 43.

The square root of 1152449665 is about 33947.7490417259. The cubic root of 1152449665 is about 1048.4329352740.

The spelling of 1152449665 in words is "one billion, one hundred fifty-two million, four hundred forty-nine thousand, six hundred sixty-five".