1144537 has 2 divisors, whose sum is σ = 1144538. Its totient is φ = 1144536.

The previous prime is 1144529. The next prime is 1144573. The reversal of 1144537 is 7354411.

Together with next prime (1144573) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 755161 + 389376 = 869^2 + 624^2 .

It is a cyclic number.

It is not a de Polignac number, because 1144537 - 2³ = 1144529 is a prime.

It is an Ulam number.

It is a d-powerful number, because it can be written as 1 + 1 + 4⁵ + 4¹⁰ + 5⁷ + 3 + 7⁵ .

It is not a weakly prime, because it can be changed into another prime (1144037) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 572268 + 572269.

It is an arithmetic number, because the mean of its divisors is an integer number (572269).

2^1144537 is an apocalyptic number.

It is an amenable number.

1144537 is a deficient number, since it is larger than the sum of its proper divisors (1).

1144537 is an equidigital number, since it uses as much as digits as its factorization.

1144537 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1680, while the sum is 25.

The square root of 1144537 is about 1069.8303603843. The cubic root of 1144537 is about 104.6027925605.

Adding to 1144537 its reverse (7354411), we get a palindrome (8498948).

It can be divided in two parts, 1144 and 537, that added together give a square (1681 = 41²).

The spelling of 1144537 in words is "one million, one hundred forty-four thousand, five hundred thirty-seven".