144213523 has 8 divisors (see below), whose sum is σ = 150237360. Its totient is φ = 138309120.

The previous prime is 144213521. The next prime is 144213539. The reversal of 144213523 is 325312441.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 144213523 - 2¹ = 144213521 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (144213521) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27390 + ... + 32227.

It is an arithmetic number, because the mean of its divisors is an integer number (18779670).

Almost surely, 2^144213523 is an apocalyptic number.

144213523 is a deficient number, since it is larger than the sum of its proper divisors (6023837).

144213523 is an equidigital number, since it uses as much as digits as its factorization.

144213523 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59717.

The product of its digits is 2880, while the sum is 25.

The square root of 144213523 is about 12008.8934960720. The cubic root of 144213523 is about 524.4072196782.

Adding to 144213523 its reverse (325312441), we get a palindrome (469525964).

The spelling of 144213523 in words is "one hundred forty-four million, two hundred thirteen thousand, five hundred twenty-three".