144243554 has 96 divisors (see below), whose sum is σ = 293025600. Its totient is φ = 52617600.

The previous prime is 144243553. The next prime is 144243571. The reversal of 144243554 is 455342441.

144243554 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 144243554.

It is not an unprimeable number, because it can be changed into a prime (144243551) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1428104 + ... + 1428204.

It is an arithmetic number, because the mean of its divisors is an integer number (3052350).

Almost surely, 2^144243554 is an apocalyptic number.

144243554 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

144243554 is an abundant number, since it is smaller than the sum of its proper divisors (148782046).

144243554 is a wasteful number, since it uses less digits than its factorization.

144243554 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 208 (or 201 counting only the distinct ones).

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

The square root of 144243554 is about 12010.1437959751. The cubic root of 144243554 is about 524.4436179758.

Adding to 144243554 its reverse (455342441), we get a palindrome (599585995).

The spelling of 144243554 in words is "one hundred forty-four million, two hundred forty-three thousand, five hundred fifty-four".