1149145 has 8 divisors (see below), whose sum is σ = 1385280. Its totient is φ = 915120.

The previous prime is 1149131. The next prime is 1149151. The reversal of 1149145 is 5419411.

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

It is not a de Polignac number, because 1149145 - 2⁷ = 1149017 is a prime.

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, 1186 + ... + 1924.

It is an arithmetic number, because the mean of its divisors is an integer number (173160).

2^1149145 is an apocalyptic number.

It is an amenable number.

1149145 is a deficient number, since it is larger than the sum of its proper divisors (236135).

1149145 is an equidigital number, since it uses as much as digits as its factorization.

1149145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1055.

The product of its digits is 720, while the sum is 25.

The square root of 1149145 is about 1071.9818095472. The cubic root of 1149145 is about 104.7429843996.

The spelling of 1149145 in words is "one million, one hundred forty-nine thousand, one hundred forty-five".