144142055 has 4 divisors (see below), whose sum is σ = 172970472. Its totient is φ = 115313640.

The previous prime is 144142039. The next prime is 144142067. The reversal of 144142055 is 550241441.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 144142055 - 2⁴ = 144142039 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14414201 + ... + 14414210.

It is an arithmetic number, because the mean of its divisors is an integer number (43242618).

Almost surely, 2^144142055 is an apocalyptic number.

144142055 is a deficient number, since it is larger than the sum of its proper divisors (28828417).

144142055 is an equidigital number, since it uses as much as digits as its factorization.

144142055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28828416.

The product of its (nonzero) digits is 3200, while the sum is 26.

The square root of 144142055 is about 12005.9174993001. The cubic root of 144142055 is about 524.3205784091.

Adding to 144142055 its reverse (550241441), we get a palindrome (694383496).

The spelling of 144142055 in words is "one hundred forty-four million, one hundred forty-two thousand, fifty-five".