144769841 has 8 divisors (see below), whose sum is σ = 153790560. Its totient is φ = 135805248.

The previous prime is 144769813. The next prime is 144769861. The reversal of 144769841 is 148967441.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2^k-144769841 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 144769792 and 144769801.

It is not an unprimeable number, because it can be changed into a prime (144769861) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8651 + ... + 19088.

It is an arithmetic number, because the mean of its divisors is an integer number (19223820).

Almost surely, 2^144769841 is an apocalyptic number.

It is an amenable number.

144769841 is a deficient number, since it is larger than the sum of its proper divisors (9020719).

144769841 is a wasteful number, since it uses less digits than its factorization.

144769841 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28063.

The product of its digits is 193536, while the sum is 44.

The square root of 144769841 is about 12032.0339510824. The cubic root of 144769841 is about 525.0806721081.

The spelling of 144769841 in words is "one hundred forty-four million, seven hundred sixty-nine thousand, eight hundred forty-one".