144313073 has 8 divisors (see below), whose sum is σ = 145156968. Its totient is φ = 143472384.

The previous prime is 144313069. The next prime is 144313079. The reversal of 144313073 is 370313441.

It can be written as a sum of positive squares in 4 ways, for example, as 4293184 + 140019889 = 2072^2 + 11833^2 .

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 144313073 - 2² = 144313069 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (144313079) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 235115 + ... + 235727.

It is an arithmetic number, because the mean of its divisors is an integer number (18144621).

Almost surely, 2^144313073 is an apocalyptic number.

It is an amenable number.

144313073 is a deficient number, since it is larger than the sum of its proper divisors (843895).

144313073 is an equidigital number, since it uses as much as digits as its factorization.

144313073 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1603.

The product of its (nonzero) digits is 3024, while the sum is 26.

The square root of 144313073 is about 12013.0376258463. The cubic root of 144313073 is about 524.5278573040.

The spelling of 144313073 in words is "one hundred forty-four million, three hundred thirteen thousand, seventy-three".