144044077 has 4 divisors (see below), whose sum is σ = 152517276. Its totient is φ = 135570880.

The previous prime is 144044059. The next prime is 144044081. The reversal of 144044077 is 770440441.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 770440441 = 113 ⋅6818057.

It can be written as a sum of positive squares in 2 ways, for example, as 58277956 + 85766121 = 7634^2 + 9261^2 .

It is a cyclic number.

It is not a de Polignac number, because 144044077 - 2²³ = 135655469 is a prime.

It is a super-2 number, since 2×144044077² = 41497392237563858, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144044027) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4236574 + ... + 4236607.

It is an arithmetic number, because the mean of its divisors is an integer number (38129319).

Almost surely, 2^144044077 is an apocalyptic number.

144044077 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

It is an amenable number.

144044077 is a deficient number, since it is larger than the sum of its proper divisors (8473199).

144044077 is an equidigital number, since it uses as much as digits as its factorization.

144044077 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8473198.

The product of its (nonzero) digits is 12544, while the sum is 31.

The square root of 144044077 is about 12001.8364011513. The cubic root of 144044077 is about 524.2017522837.

It can be divided in two parts, 14404 and 4077, that added together give a palindrome (18481).

The spelling of 144044077 in words is "one hundred forty-four million, forty-four thousand, seventy-seven".