1149144 has 16 divisors (see below), whose sum is σ = 2872920. Its totient is φ = 383040.

The previous prime is 1149131. The next prime is 1149151. The reversal of 1149144 is 4419411.

It is a Harshad number since it is a multiple of its sum of digits (24), and also a Moran number because the ratio is a prime number: 47881 = 1149144 / (1 + 1 + 4 + 9 + 1 + 4 + 4).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23917 + ... + 23964.

2^1149144 is an apocalyptic number.

It is an amenable number.

1149144 is an abundant number, since it is smaller than the sum of its proper divisors (1723776).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1149144 is a wasteful number, since it uses less digits than its factorization.

1149144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47890 (or 47886 counting only the distinct ones).

The product of its digits is 576, while the sum is 24.

The square root of 1149144 is about 1071.9813431212. The cubic root of 1149144 is about 104.7429540167.

The spelling of 1149144 in words is "one million, one hundred forty-nine thousand, one hundred forty-four".