144330377 has 8 divisors (see below), whose sum is σ = 148455816. Its totient is φ = 140216832.

The previous prime is 144330353. The next prime is 144330379. The reversal of 144330377 is 773033441.

It can be written as a sum of positive squares in 4 ways, for example, as 66520336 + 77810041 = 8156^2 + 8821^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 144330377 - 2¹⁴ = 144313993 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (144330379) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25433 + ... + 30585.

It is an arithmetic number, because the mean of its divisors is an integer number (18556977).

Almost surely, 2^144330377 is an apocalyptic number.

It is an amenable number.

144330377 is a deficient number, since it is larger than the sum of its proper divisors (4125439).

144330377 is an equidigital number, since it uses as much as digits as its factorization.

144330377 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5947.

The product of its (nonzero) digits is 21168, while the sum is 32.

The square root of 144330377 is about 12013.7578217642. The cubic root of 144330377 is about 524.5488211412.

The spelling of 144330377 in words is "one hundred forty-four million, three hundred thirty thousand, three hundred seventy-seven".