144040516 has 6 divisors (see below), whose sum is σ = 252070910. Its totient is φ = 72020256.

The previous prime is 144040499. The next prime is 144040517. The reversal of 144040516 is 615040441.

It can be written as a sum of positive squares in only one way, i.e., 115992900 + 28047616 = 10770^2 + 5296^2 .

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, 18005061 + ... + 18005068.

Almost surely, 2^144040516 is an apocalyptic number.

It is an amenable number.

144040516 is a deficient number, since it is larger than the sum of its proper divisors (108030394).

144040516 is a wasteful number, since it uses less digits than its factorization.

144040516 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36010133 (or 36010131 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 25.

The square root of 144040516 is about 12001.6880479373. The cubic root of 144040516 is about 524.1974325461.

Adding to 144040516 its reverse (615040441), we get a palindrome (759080957).

The spelling of 144040516 in words is "one hundred forty-four million, forty thousand, five hundred sixteen".