144181873 has 16 divisors (see below), whose sum is σ = 161280000. Its totient is φ = 127792080.

The previous prime is 144181847. The next prime is 144181909. The reversal of 144181873 is 378181441.

It is a cyclic number.

It is not a de Polignac number, because 144181873 - 2⁵ = 144181841 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (144182873) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 71128 + ... + 73126.

It is an arithmetic number, because the mean of its divisors is an integer number (10080000).

Almost surely, 2^144181873 is an apocalyptic number.

It is an amenable number.

144181873 is a deficient number, since it is larger than the sum of its proper divisors (17098127).

144181873 is a wasteful number, since it uses less digits than its factorization.

144181873 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2172.

The product of its digits is 21504, while the sum is 37.

The square root of 144181873 is about 12007.5756503967. The cubic root of 144181873 is about 524.3688536440.

The spelling of 144181873 in words is "one hundred forty-four million, one hundred eighty-one thousand, eight hundred seventy-three".