144514811 has 4 divisors (see below), whose sum is σ = 165159792. Its totient is φ = 123869832.

The previous prime is 144514793. The next prime is 144514813. The reversal of 144514811 is 118415441.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 144514811 - 2²² = 140320507 is a prime.

It is not an unprimeable number, because it can be changed into a prime (144514813) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10322480 + ... + 10322493.

It is an arithmetic number, because the mean of its divisors is an integer number (41289948).

Almost surely, 2^144514811 is an apocalyptic number.

144514811 is a deficient number, since it is larger than the sum of its proper divisors (20644981).

144514811 is an equidigital number, since it uses as much as digits as its factorization.

144514811 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20644980.

The product of its digits is 2560, while the sum is 29.

The square root of 144514811 is about 12021.4313207704. The cubic root of 144514811 is about 524.7721593366.

The spelling of 144514811 in words is "one hundred forty-four million, five hundred fourteen thousand, eight hundred eleven".