144140377 has 6 divisors (see below), whose sum is σ = 146545854. Its totient is φ = 141773760.

The previous prime is 144140341. The next prime is 144140393. The reversal of 144140377 is 773041441.

It can be written as a sum of positive squares in 3 ways, for example, as 27154521 + 116985856 = 5211^2 + 10816^2 .

It is a de Polignac number, because none of the positive numbers 2^k-144140377 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (144140317) 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 5 ways as a sum of consecutive naturals, for example, 15648 + ... + 23089.

It is an arithmetic number, because the mean of its divisors is an integer number (24424309).

Almost surely, 2^144140377 is an apocalyptic number.

It is an amenable number.

144140377 is a deficient number, since it is larger than the sum of its proper divisors (2405477).

144140377 is an frugal number, since it uses more digits than its factorization.

144140377 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38859 (or 38798 counting only the distinct ones).

The product of its (nonzero) digits is 9408, while the sum is 31.

The square root of 144140377 is about 12005.8476168907. The cubic root of 144140377 is about 524.3185438113.

The spelling of 144140377 in words is "one hundred forty-four million, one hundred forty thousand, three hundred seventy-seven".