144803081 has 4 divisors (see below), whose sum is σ = 147176964. Its totient is φ = 142429200.

The previous prime is 144803063. The next prime is 144803083. The reversal of 144803081 is 180308441.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 180308441 = 277 ⋅650933.

It can be written as a sum of positive squares in 2 ways, for example, as 14478025 + 130325056 = 3805^2 + 11416^2 .

It is a cyclic number.

It is not a de Polignac number, because 144803081 - 2⁶ = 144803017 is a prime.

It is a super-2 number, since 2×144803081² = 41935864534185122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (144803083) 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, 1186850 + ... + 1186971.

It is an arithmetic number, because the mean of its divisors is an integer number (36794241).

Almost surely, 2^144803081 is an apocalyptic number.

It is an amenable number.

144803081 is a deficient number, since it is larger than the sum of its proper divisors (2373883).

144803081 is an equidigital number, since it uses as much as digits as its factorization.

144803081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2373882.

The product of its (nonzero) digits is 3072, while the sum is 29.

The square root of 144803081 is about 12033.4151843938. The cubic root of 144803081 is about 525.1208562279.

The spelling of 144803081 in words is "one hundred forty-four million, eight hundred three thousand, eighty-one".