144040514 has 4 divisors (see below), whose sum is σ = 216060774. Its totient is φ = 72020256.

The previous prime is 144040499. The next prime is 144040517. The reversal of 144040514 is 415040441.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 415040441 = 2309 ⋅179749.

It can be written as a sum of positive squares in only one way, i.e., 140304025 + 3736489 = 11845^2 + 1933^2 .

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 144040514.

It is not an unprimeable number, because it can be changed into a prime (144040517) 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 as a sum of consecutive naturals, namely, 36010127 + ... + 36010130.

Almost surely, 2^144040514 is an apocalyptic number.

144040514 is a deficient number, since it is larger than the sum of its proper divisors (72020260).

144040514 is an equidigital number, since it uses as much as digits as its factorization.

144040514 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72020259.

The product of its (nonzero) digits is 1280, while the sum is 23.

The square root of 144040514 is about 12001.6879646156. The cubic root of 144040514 is about 524.1974301200.

Adding to 144040514 its reverse (415040441), we get a palindrome (559080955).

The spelling of 144040514 in words is "one hundred forty-four million, forty thousand, five hundred fourteen".