144423455 has 32 divisors (see below), whose sum is σ = 196162560. Its totient is φ = 101162880.

The previous prime is 144423431. The next prime is 144423457. The reversal of 144423455 is 554324441.

It is not a de Polignac number, because 144423455 - 2¹⁰ = 144422431 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144423457) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 186449 + ... + 187221.

It is an arithmetic number, because the mean of its divisors is an integer number (6130080).

Almost surely, 2^144423455 is an apocalyptic number.

144423455 is a deficient number, since it is larger than the sum of its proper divisors (51739105).

144423455 is a wasteful number, since it uses less digits than its factorization.

144423455 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 911.

The product of its digits is 38400, while the sum is 32.

The square root of 144423455 is about 12017.6310061509. The cubic root of 144423455 is about 524.6615566223.

Adding to 144423455 its reverse (554324441), we get a palindrome (698747896).

The spelling of 144423455 in words is "one hundred forty-four million, four hundred twenty-three thousand, four hundred fifty-five".