144433873 has 4 divisors (see below), whose sum is σ = 145922980. Its totient is φ = 142944768.

The previous prime is 144433823. The next prime is 144433889. The reversal of 144433873 is 378334441.

144433873 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 29343889 + 115089984 = 5417^2 + 10728^2 .

It is a cyclic number.

It is not a de Polignac number, because 144433873 - 2¹³ = 144425681 is a prime.

It is a super-2 number, since 2×144433873² = 41722287339560258, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (144433823) 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, 744408 + ... + 744601.

It is an arithmetic number, because the mean of its divisors is an integer number (36480745).

Almost surely, 2^144433873 is an apocalyptic number.

It is an amenable number.

144433873 is a deficient number, since it is larger than the sum of its proper divisors (1489107).

144433873 is an equidigital number, since it uses as much as digits as its factorization.

144433873 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1489106.

The product of its digits is 96768, while the sum is 37.

The square root of 144433873 is about 12018.0644448264. The cubic root of 144433873 is about 524.6741718232.

The spelling of 144433873 in words is "one hundred forty-four million, four hundred thirty-three thousand, eight hundred seventy-three".