144420176 has 20 divisors (see below), whose sum is σ = 287377812. Its totient is φ = 70258176.

The previous prime is 144420167. The next prime is 144420179. The reversal of 144420176 is 671024441.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 108659776 + 35760400 = 10424^2 + 5980^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144420179) 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, 121385 + ... + 122568.

Almost surely, 2^144420176 is an apocalyptic number.

144420176 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

144420176 is a deficient number, since it is larger than the sum of its proper divisors (142957636).

144420176 is a wasteful number, since it uses less digits than its factorization.

144420176 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 243998 (or 243992 counting only the distinct ones).

The product of its (nonzero) digits is 5376, while the sum is 29.

The square root of 144420176 is about 12017.4945808184. The cubic root of 144420176 is about 524.6575859417.

The spelling of 144420176 in words is "one hundred forty-four million, four hundred twenty thousand, one hundred seventy-six".