144545441 has 8 divisors (see below), whose sum is σ = 153820800. Its totient is φ = 135355968.

The previous prime is 144545411. The next prime is 144545447.

144545441 is nontrivially palindromic in base 10.

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

It is a cyclic number.

It is not a de Polignac number, because 144545441 - 2²² = 140351137 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 144545398 and 144545407.

It is not an unprimeable number, because it can be changed into a prime (144545447) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17981 + ... + 24746.

It is an arithmetic number, because the mean of its divisors is an integer number (19227600).

Almost surely, 2^144545441 is an apocalyptic number.

It is an amenable number.

144545441 is a deficient number, since it is larger than the sum of its proper divisors (9275359).

144545441 is a wasteful number, since it uses less digits than its factorization.

144545441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42943.

The product of its digits is 25600, while the sum is 32.

The square root of 144545441 is about 12022.7052280258. The cubic root of 144545441 is about 524.8092319744.

The spelling of 144545441 in words is "one hundred forty-four million, five hundred forty-five thousand, four hundred forty-one".