144774241 has 4 divisors (see below), whose sum is σ = 147854592. Its totient is φ = 141693892.

The previous prime is 144774221. The next prime is 144774263. The reversal of 144774241 is 142477441.

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 144774241 - 2¹⁵ = 144741473 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 144774197 and 144774206.

It is not an unprimeable number, because it can be changed into a prime (144774221) 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, 1540105 + ... + 1540198.

It is an arithmetic number, because the mean of its divisors is an integer number (36963648).

Almost surely, 2^144774241 is an apocalyptic number.

It is an amenable number.

144774241 is a deficient number, since it is larger than the sum of its proper divisors (3080351).

144774241 is an equidigital number, since it uses as much as digits as its factorization.

144774241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3080350.

The product of its digits is 25088, while the sum is 34.

The square root of 144774241 is about 12032.2167949219. The cubic root of 144774241 is about 525.0859916589.

The spelling of 144774241 in words is "one hundred forty-four million, seven hundred seventy-four thousand, two hundred forty-one".