144111473 has 4 divisors (see below), whose sum is σ = 157212528. Its totient is φ = 131010420.

The previous prime is 144111449. The next prime is 144111497. The reversal of 144111473 is 374111441.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is an interprime number because it is at equal distance from previous prime (144111449) and next prime (144111497).

It is a cyclic number.

It is not a de Polignac number, because 144111473 - 2²⁰ = 143062897 is a prime.

It is not an unprimeable number, because it can be changed into a prime (144111403) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6550511 + ... + 6550532.

It is an arithmetic number, because the mean of its divisors is an integer number (39303132).

Almost surely, 2^144111473 is an apocalyptic number.

It is an amenable number.

144111473 is a deficient number, since it is larger than the sum of its proper divisors (13101055).

144111473 is a wasteful number, since it uses less digits than its factorization.

144111473 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13101054.

The product of its digits is 1344, while the sum is 26.

The square root of 144111473 is about 12004.6438097929. The cubic root of 144111473 is about 524.2834948389.

The spelling of 144111473 in words is "one hundred forty-four million, one hundred eleven thousand, four hundred seventy-three".