1144393 has 2 divisors, whose sum is σ = 1144394. Its totient is φ = 1144392.

The previous prime is 1144379. The next prime is 1144399. The reversal of 1144393 is 3934411.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1006009 + 138384 = 1003^2 + 372^2 .

It is a cyclic number.

It is not a de Polignac number, because 1144393 - 2¹⁷ = 1013321 is a prime.

It is an Ulam number.

It is not a weakly prime, because it can be changed into another prime (1144399) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 572196 + 572197.

It is an arithmetic number, because the mean of its divisors is an integer number (572197).

2^1144393 is an apocalyptic number.

It is an amenable number.

1144393 is a deficient number, since it is larger than the sum of its proper divisors (1).

1144393 is an equidigital number, since it uses as much as digits as its factorization.

1144393 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1296, while the sum is 25.

The square root of 1144393 is about 1069.7630578778. The cubic root of 1144393 is about 104.5984055073.

The spelling of 1144393 in words is "one million, one hundred forty-four thousand, three hundred ninety-three".