144147587 has 8 divisors (see below), whose sum is σ = 147033600. Its totient is φ = 141288264.

The previous prime is 144147571. The next prime is 144147589. The reversal of 144147587 is 785741441.

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 144147587 - 2⁴ = 144147571 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (144147589) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4418 + ... + 17544.

It is an arithmetic number, because the mean of its divisors is an integer number (18379200).

Almost surely, 2^144147587 is an apocalyptic number.

144147587 is a deficient number, since it is larger than the sum of its proper divisors (2886013).

144147587 is a wasteful number, since it uses less digits than its factorization.

144147587 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13345.

The product of its digits is 125440, while the sum is 41.

The square root of 144147587 is about 12006.1478834804. The cubic root of 144147587 is about 524.3272859226.

The spelling of 144147587 in words is "one hundred forty-four million, one hundred forty-seven thousand, five hundred eighty-seven".