1144515 has 16 divisors (see below), whose sum is σ = 1876896. Its totient is φ = 595200.

The previous prime is 1144511. The next prime is 1144519. The reversal of 1144515 is 5154411.

It is an interprime number because it is at equal distance from previous prime (1144511) and next prime (1144519).

It is not a de Polignac number, because 1144515 - 2² = 1144511 is a prime.

It is an Ulam number.

It is a junction number, because it is equal to n+sod(n) for n = 1144491 and 1144500.

It is not an unprimeable number, because it can be changed into a prime (1144511) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 316 + ... + 1545.

It is an arithmetic number, because the mean of its divisors is an integer number (117306).

2^1144515 is an apocalyptic number.

1144515 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1144515 is a deficient number, since it is larger than the sum of its proper divisors (732381).

1144515 is a wasteful number, since it uses less digits than its factorization.

1144515 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1910.

The product of its digits is 400, while the sum is 21.

The square root of 1144515 is about 1069.8200783309. The cubic root of 1144515 is about 104.6021223401.

Adding to 1144515 its reverse (5154411), we get a palindrome (6298926).

The spelling of 1144515 in words is "one million, one hundred forty-four thousand, five hundred fifteen".