144914641 has 4 divisors (see below), whose sum is σ = 145724400. Its totient is φ = 144104884.

The previous prime is 144914639. The next prime is 144914659. The reversal of 144914641 is 146419441.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 144914641 - 2¹ = 144914639 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 144914597 and 144914606.

It is not an unprimeable number, because it can be changed into a prime (144914141) 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, 404611 + ... + 404968.

It is an arithmetic number, because the mean of its divisors is an integer number (36431100).

Almost surely, 2^144914641 is an apocalyptic number.

It is an amenable number.

144914641 is a deficient number, since it is larger than the sum of its proper divisors (809759).

144914641 is an equidigital number, since it uses as much as digits as its factorization.

144914641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 809758.

The product of its digits is 13824, while the sum is 34.

The square root of 144914641 is about 12038.0497174584. The cubic root of 144914641 is about 525.2556771269.

The spelling of 144914641 in words is "one hundred forty-four million, nine hundred fourteen thousand, six hundred forty-one".