144078361 has 4 divisors (see below), whose sum is σ = 164660992. Its totient is φ = 123495732.

The previous prime is 144078329. The next prime is 144078377. The reversal of 144078361 is 163870441.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 163870441 = 7 ⋅23410063.

It is a cyclic number.

It is not a de Polignac number, because 144078361 - 2⁵ = 144078329 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (144078391) 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, 10291305 + ... + 10291318.

It is an arithmetic number, because the mean of its divisors is an integer number (41165248).

Almost surely, 2^144078361 is an apocalyptic number.

It is an amenable number.

144078361 is a deficient number, since it is larger than the sum of its proper divisors (20582631).

144078361 is an equidigital number, since it uses as much as digits as its factorization.

144078361 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20582630.

The product of its (nonzero) digits is 16128, while the sum is 34.

The square root of 144078361 is about 12003.2645976001. The cubic root of 144078361 is about 524.2433374883.

The spelling of 144078361 in words is "one hundred forty-four million, seventy-eight thousand, three hundred sixty-one".