144258481 has 8 divisors (see below), whose sum is σ = 155334240. Its totient is φ = 133470528.

The previous prime is 144258467. The next prime is 144258487. The reversal of 144258481 is 184852441.

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 144258481 - 2⁷ = 144258353 is a prime.

It is a super-2 number, since 2×144258481² = 41621018680854722, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 144258481.

It is not an unprimeable number, because it can be changed into a prime (144258487) 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, 70911 + ... + 72916.

It is an arithmetic number, because the mean of its divisors is an integer number (19416780).

Almost surely, 2^144258481 is an apocalyptic number.

It is an amenable number.

144258481 is a deficient number, since it is larger than the sum of its proper divisors (11075759).

144258481 is a wasteful number, since it uses less digits than its factorization.

144258481 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 143903.

The product of its digits is 40960, while the sum is 37.

The square root of 144258481 is about 12010.7652129246. The cubic root of 144258481 is about 524.4617079808.

The spelling of 144258481 in words is "one hundred forty-four million, two hundred fifty-eight thousand, four hundred eighty-one".