144077444 has 36 divisors (see below), whose sum is σ = 300470940. Its totient is φ = 60238080.

The previous prime is 144077443. The next prime is 144077447. The reversal of 144077444 is 444770441.

It can be written as a sum of positive squares in 2 ways, for example, as 36747844 + 107329600 = 6062^2 + 10360^2 .

It is not an unprimeable number, because it can be changed into a prime (144077443) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 929 + ... + 17000.

It is an arithmetic number, because the mean of its divisors is an integer number (8346415).

Almost surely, 2^144077444 is an apocalyptic number.

144077444 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

144077444 is an abundant number, since it is smaller than the sum of its proper divisors (156393496).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

144077444 is a wasteful number, since it uses less digits than its factorization.

144077444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17988 (or 17979 counting only the distinct ones).

The product of its (nonzero) digits is 50176, while the sum is 35.

The square root of 144077444 is about 12003.2263995977. The cubic root of 144077444 is about 524.2422252876.

The spelling of 144077444 in words is "one hundred forty-four million, seventy-seven thousand, four hundred forty-four".