144125281 has 4 divisors (see below), whose sum is σ = 144167364. Its totient is φ = 144083200.

The previous prime is 144125227. The next prime is 144125297. The reversal of 144125281 is 182521441.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 76737600 + 67387681 = 8760^2 + 8209^2 .

It is a cyclic number.

It is not a de Polignac number, because 144125281 - 2¹¹ = 144123233 is a prime.

It is a super-2 number, since 2×144125281² = 41544193246657922, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (144125221) 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 3 ways as a sum of consecutive naturals, for example, 15400 + ... + 22921.

It is an arithmetic number, because the mean of its divisors is an integer number (36041841).

Almost surely, 2^144125281 is an apocalyptic number.

It is an amenable number.

144125281 is a deficient number, since it is larger than the sum of its proper divisors (42083).

144125281 is an equidigital number, since it uses as much as digits as its factorization.

144125281 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42082.

The product of its digits is 2560, while the sum is 28.

The square root of 144125281 is about 12005.2189067922. The cubic root of 144125281 is about 524.3002389957.

The spelling of 144125281 in words is "one hundred forty-four million, one hundred twenty-five thousand, two hundred eighty-one".