1149445 has 8 divisors (see below), whose sum is σ = 1504800. Its totient is φ = 835920.

The previous prime is 1149427. The next prime is 1149457. The reversal of 1149445 is 5449411.

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

It is not a de Polignac number, because 1149445 - 2⁵ = 1149413 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10395 + ... + 10504.

It is an arithmetic number, because the mean of its divisors is an integer number (188100).

2^1149445 is an apocalyptic number.

It is an amenable number.

1149445 is a deficient number, since it is larger than the sum of its proper divisors (355355).

1149445 is a wasteful number, since it uses less digits than its factorization.

1149445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20915.

The product of its digits is 2880, while the sum is 28.

The square root of 1149445 is about 1072.1217281634. The cubic root of 1149445 is about 104.7520984688.

It can be divided in two parts, 114 and 9445, that added together give a palindrome (9559).

The spelling of 1149445 in words is "one million, one hundred forty-nine thousand, four hundred forty-five".