1144562 has 4 divisors (see below), whose sum is σ = 1716846. Its totient is φ = 572280.

The previous prime is 1144537. The next prime is 1144573. The reversal of 1144562 is 2654411.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 2654411 = 607 ⋅4373.

It can be written as a sum of positive squares in only one way, i.e., 885481 + 259081 = 941^2 + 509^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 286139 + ... + 286142.

2^1144562 is an apocalyptic number.

1144562 is a deficient number, since it is larger than the sum of its proper divisors (572284).

1144562 is an equidigital number, since it uses as much as digits as its factorization.

1144562 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 572283.

The product of its digits is 960, while the sum is 23.

The square root of 1144562 is about 1069.8420444159. The cubic root of 1144562 is about 104.6035541642.

Adding to 1144562 its reverse (2654411), we get a palindrome (3798973).

The spelling of 1144562 in words is "one million, one hundred forty-four thousand, five hundred sixty-two".