1144475 has 6 divisors (see below), whose sum is σ = 1419180. Its totient is φ = 915560.

The previous prime is 1144453. The next prime is 1144477. The reversal of 1144475 is 5744411.

1144475 = T₂₉₀ + T₂₉₁ + ... + T₃₁₄.

It is not a de Polignac number, because 1144475 - 2¹² = 1140379 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1144477) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 22865 + ... + 22914.

It is an arithmetic number, because the mean of its divisors is an integer number (236530).

2^1144475 is an apocalyptic number.

1144475 is a deficient number, since it is larger than the sum of its proper divisors (274705).

1144475 is an equidigital number, since it uses as much as digits as its factorization.

1144475 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45789 (or 45784 counting only the distinct ones).

The product of its digits is 2240, while the sum is 26.

The square root of 1144475 is about 1069.8013834353. The cubic root of 1144475 is about 104.6009037355.

Adding to 1144475 its reverse (5744411), we get a palindrome (6888886).

The spelling of 1144475 in words is "one million, one hundred forty-four thousand, four hundred seventy-five".