144040711 has 4 divisors (see below), whose sum is σ = 152513712. Its totient is φ = 135567712.

The previous prime is 144040693. The next prime is 144040747. The reversal of 144040711 is 117040441.

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: 117040441 = 7 ⋅16720063.

It is a cyclic number.

It is not a de Polignac number, because 144040711 - 2¹³ = 144032519 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144040751) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4236475 + ... + 4236508.

It is an arithmetic number, because the mean of its divisors is an integer number (38128428).

Almost surely, 2^144040711 is an apocalyptic number.

144040711 is a deficient number, since it is larger than the sum of its proper divisors (8473001).

144040711 is an equidigital number, since it uses as much as digits as its factorization.

144040711 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8473000.

The product of its (nonzero) digits is 448, while the sum is 22.

The square root of 144040711 is about 12001.6961717917. The cubic root of 144040711 is about 524.1976690964.

The spelling of 144040711 in words is "one hundred forty-four million, forty thousand, seven hundred eleven".