144014641 has 4 divisors (see below), whose sum is σ = 144810484. Its totient is φ = 143218800.

The previous prime is 144014603. The next prime is 144014653. The reversal of 144014641 is 146410441.

It is a happy number.

144014641 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It can be written as a sum of positive squares in 2 ways, for example, as 1904400 + 142110241 = 1380^2 + 11921^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-144014641 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (144014671) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 397650 + ... + 398011.

It is an arithmetic number, because the mean of its divisors is an integer number (36202621).

Almost surely, 2^144014641 is an apocalyptic number.

It is an amenable number.

144014641 is a deficient number, since it is larger than the sum of its proper divisors (795843).

144014641 is an equidigital number, since it uses as much as digits as its factorization.

144014641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 795842.

The product of its (nonzero) digits is 1536, while the sum is 25.

The square root of 144014641 is about 12000.6100261612. The cubic root of 144014641 is about 524.1660422559.

The spelling of 144014641 in words is "one hundred forty-four million, fourteen thousand, six hundred forty-one".