144380287 has 8 divisors (see below), whose sum is σ = 148038336. Its totient is φ = 140746752.

The previous prime is 144380267. The next prime is 144380293. The reversal of 144380287 is 782083441.

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 144380287 - 2²³ = 135991679 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144380227) 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, 6103 + ... + 18055.

It is an arithmetic number, because the mean of its divisors is an integer number (18504792).

Almost surely, 2^144380287 is an apocalyptic number.

144380287 is a deficient number, since it is larger than the sum of its proper divisors (3658049).

144380287 is a wasteful number, since it uses less digits than its factorization.

144380287 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12257.

The product of its (nonzero) digits is 43008, while the sum is 37.

The square root of 144380287 is about 12015.8348440714. The cubic root of 144380287 is about 524.6092778402.

The spelling of 144380287 in words is "one hundred forty-four million, three hundred eighty thousand, two hundred eighty-seven".