144703085 has 8 divisors (see below), whose sum is σ = 173711736. Its totient is φ = 115717120.

The previous prime is 144703081. The next prime is 144703093. The reversal of 144703085 is 580307441.

It can be written as a sum of positive squares in 4 ways, for example, as 11485321 + 133217764 = 3389^2 + 11542^2 .

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

It is not a de Polignac number, because 144703085 - 2² = 144703081 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144703081) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15677 + ... + 23133.

It is an arithmetic number, because the mean of its divisors is an integer number (21713967).

Almost surely, 2^144703085 is an apocalyptic number.

It is an amenable number.

144703085 is a deficient number, since it is larger than the sum of its proper divisors (29008651).

144703085 is an equidigital number, since it uses as much as digits as its factorization.

144703085 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11343.

The product of its (nonzero) digits is 13440, while the sum is 32.

The square root of 144703085 is about 12029.2595366465. The cubic root of 144703085 is about 524.9999516251. Note that the first 4 decimals are identical.

The spelling of 144703085 in words is "one hundred forty-four million, seven hundred three thousand, eighty-five".