1144660514 has 4 divisors (see below), whose sum is σ = 1716990774. Its totient is φ = 572330256.

The previous prime is 1144660511. The next prime is 1144660549. The reversal of 1144660514 is 4150664411.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 4150664411 = 29 ⋅143126359.

It can be written as a sum of positive squares in only one way, i.e., 1090122289 + 54538225 = 33017^2 + 7385^2 .

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1144660511) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 286165127 + ... + 286165130.

Almost surely, 2^1144660514 is an apocalyptic number.

1144660514 is a deficient number, since it is larger than the sum of its proper divisors (572330260).

1144660514 is an equidigital number, since it uses as much as digits as its factorization.

1144660514 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 572330259.

The product of its (nonzero) digits is 11520, while the sum is 32.

The square root of 1144660514 is about 33832.8318944779. The cubic root of 1144660514 is about 1046.0655520120.

The spelling of 1144660514 in words is "one billion, one hundred forty-four million, six hundred sixty thousand, five hundred fourteen".