1152661345 has 8 divisors (see below), whose sum is σ = 1508938560. Its totient is φ = 838299120.

The previous prime is 1152661343. The next prime is 1152661351. The reversal of 1152661345 is 5431662511.

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

It is not a de Polignac number, because 1152661345 - 2¹ = 1152661343 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1152661345.

It is not an unprimeable number, because it can be changed into a prime (1152661343) 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, 10478685 + ... + 10478794.

It is an arithmetic number, because the mean of its divisors is an integer number (188617320).

Almost surely, 2^1152661345 is an apocalyptic number.

It is an amenable number.

1152661345 is a deficient number, since it is larger than the sum of its proper divisors (356277215).

1152661345 is a wasteful number, since it uses less digits than its factorization.

1152661345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20957495.

The product of its digits is 21600, while the sum is 34.

The square root of 1152661345 is about 33950.8666310597. The cubic root of 1152661345 is about 1048.4971228054.

It can be divided in two parts, 115266 and 1345, that added together give a palindrome (116611).

The spelling of 1152661345 in words is "one billion, one hundred fifty-two million, six hundred sixty-one thousand, three hundred forty-five".