144445873 has 16 divisors (see below), whose sum is σ = 170767296. Its totient is φ = 120450240.

The previous prime is 144445871. The next prime is 144445883. The reversal of 144445873 is 378544441.

It is a cyclic number.

It is not a de Polignac number, because 144445873 - 2¹ = 144445871 is a prime.

It is a super-2 number, since 2×144445873² = 41729220453464258, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (144445871) 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 15 ways as a sum of consecutive naturals, for example, 20211 + ... + 26407.

It is an arithmetic number, because the mean of its divisors is an integer number (10672956).

Almost surely, 2^144445873 is an apocalyptic number.

144445873 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

144445873 is a deficient number, since it is larger than the sum of its proper divisors (26321423).

144445873 is a wasteful number, since it uses less digits than its factorization.

144445873 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6384.

The product of its digits is 215040, while the sum is 40.

The square root of 144445873 is about 12018.5636829032. The cubic root of 144445873 is about 524.6887019228.

The spelling of 144445873 in words is "one hundred forty-four million, four hundred forty-five thousand, eight hundred seventy-three".