144723113 has 4 divisors (see below), whose sum is σ = 145037508. Its totient is φ = 144408720.

The previous prime is 144723083. The next prime is 144723119. The reversal of 144723113 is 311327441.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 311327441 = 29 ⋅10735429.

It can be written as a sum of positive squares in 2 ways, for example, as 31449664 + 113273449 = 5608^2 + 10643^2 .

It is a cyclic number.

It is not a de Polignac number, because 144723113 - 2¹⁰ = 144722089 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (144723119) 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, 156506 + ... + 157427.

It is an arithmetic number, because the mean of its divisors is an integer number (36259377).

Almost surely, 2^144723113 is an apocalyptic number.

It is an amenable number.

144723113 is a deficient number, since it is larger than the sum of its proper divisors (314395).

144723113 is an equidigital number, since it uses as much as digits as its factorization.

144723113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 314394.

The product of its digits is 2016, while the sum is 26.

The square root of 144723113 is about 12030.0919780357. The cubic root of 144723113 is about 525.0241718274.

The spelling of 144723113 in words is "one hundred forty-four million, seven hundred twenty-three thousand, one hundred thirteen".