1152545 has 8 divisors (see below), whose sum is σ = 1389096. Its totient is φ = 918016.

The previous prime is 1152527. The next prime is 1152589. The reversal of 1152545 is 5452511.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 20449 + 1132096 = 143^2 + 1064^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 1152545 - 2²⁰ = 103969 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 1152545.

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, 1439 + ... + 2091.

It is an arithmetic number, because the mean of its divisors is an integer number (173637).

2^1152545 is an apocalyptic number.

It is an amenable number.

1152545 is a deficient number, since it is larger than the sum of its proper divisors (236551).

1152545 is an equidigital number, since it uses as much as digits as its factorization.

1152545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1011.

The product of its digits is 1000, while the sum is 23.

The square root of 1152545 is about 1073.5664860641. The cubic root of 1152545 is about 104.8461844591.

The spelling of 1152545 in words is "one million, one hundred fifty-two thousand, five hundred forty-five".