144323454 has 16 divisors (see below), whose sum is σ = 314887680. Its totient is φ = 43734360.

The previous prime is 144323453. The next prime is 144323479. The reversal of 144323454 is 454323441.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144323453) 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, 1093294 + ... + 1093425.

It is an arithmetic number, because the mean of its divisors is an integer number (19680480).

Almost surely, 2^144323454 is an apocalyptic number.

144323454 is an abundant number, since it is smaller than the sum of its proper divisors (170564226).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

144323454 is a wasteful number, since it uses less digits than its factorization.

144323454 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2186735.

The product of its digits is 23040, while the sum is 30.

The square root of 144323454 is about 12013.4696903101. The cubic root of 144323454 is about 524.5404341113.

Adding to 144323454 its reverse (454323441), we get a palindrome (598646895).

The spelling of 144323454 in words is "one hundred forty-four million, three hundred twenty-three thousand, four hundred fifty-four".