144523141 has 4 divisors (see below), whose sum is σ = 165169312. Its totient is φ = 123876972.

The previous prime is 144523123. The next prime is 144523189. The reversal of 144523141 is 141325441.

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 a cyclic number.

It is not a de Polignac number, because 144523141 - 2⁵ = 144523109 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144523441) 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, 10323075 + ... + 10323088.

It is an arithmetic number, because the mean of its divisors is an integer number (41292328).

Almost surely, 2^144523141 is an apocalyptic number.

It is an amenable number.

144523141 is a deficient number, since it is larger than the sum of its proper divisors (20646171).

144523141 is an equidigital number, since it uses as much as digits as its factorization.

144523141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20646170.

The product of its digits is 1920, while the sum is 25.

The square root of 144523141 is about 12021.7777803451. Note that the first 4 decimals coincide. The cubic root of 144523141 is about 524.7822419666.

Adding to 144523141 its reverse (141325441), we get a palindrome (285848582).

The spelling of 144523141 in words is "one hundred forty-four million, five hundred twenty-three thousand, one hundred forty-one".