144361387 has 4 divisors (see below), whose sum is σ = 144389776. Its totient is φ = 144333000.

The previous prime is 144361381. The next prime is 144361417. The reversal of 144361387 is 783163441.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 783163441 = 71 ⋅11030471.

It is a cyclic number.

It is not a de Polignac number, because 144361387 - 2²³ = 135972779 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (144361381) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4239 + ... + 17512.

It is an arithmetic number, because the mean of its divisors is an integer number (36097444).

Almost surely, 2^144361387 is an apocalyptic number.

144361387 is a deficient number, since it is larger than the sum of its proper divisors (28389).

144361387 is an equidigital number, since it uses as much as digits as its factorization.

144361387 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28388.

The product of its digits is 48384, while the sum is 37.

The square root of 144361387 is about 12015.0483561241. The cubic root of 144361387 is about 524.5863856384.

The spelling of 144361387 in words is "one hundred forty-four million, three hundred sixty-one thousand, three hundred eighty-seven".