144321473387 has 32 divisors (see below), whose sum is σ = 185399165952. Its totient is φ = 109194332544.

The previous prime is 144321473383. The next prime is 144321473389. The reversal of 144321473387 is 783374123441.

It is a cyclic number.

It is not a de Polignac number, because 144321473387 - 2² = 144321473383 is a prime.

It is not an unprimeable number, because it can be changed into a prime (144321473381) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 10765973 + ... + 10779369.

It is an arithmetic number, because the mean of its divisors is an integer number (5793723936).

Almost surely, 2^144321473387 is an apocalyptic number.

144321473387 is a deficient number, since it is larger than the sum of its proper divisors (41077692565).

144321473387 is a wasteful number, since it uses less digits than its factorization.

144321473387 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18587.

The product of its digits is 1354752, while the sum is 47.

The spelling of 144321473387 in words is "one hundred forty-four billion, three hundred twenty-one million, four hundred seventy-three thousand, three hundred eighty-seven".