144230540 has 12 divisors (see below), whose sum is σ = 302884176. Its totient is φ = 57692208.

The previous prime is 144230531. The next prime is 144230563. The reversal of 144230540 is 45032441.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3605744 + ... + 3605783.

It is an arithmetic number, because the mean of its divisors is an integer number (25240348).

Almost surely, 2^144230540 is an apocalyptic number.

144230540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

144230540 is an abundant number, since it is smaller than the sum of its proper divisors (158653636).

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

144230540 is a wasteful number, since it uses less digits than its factorization.

144230540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7211536 (or 7211534 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 23.

The square root of 144230540 is about 12009.6019917398. The cubic root of 144230540 is about 524.4278453137.

Adding to 144230540 its reverse (45032441), we get a palindrome (189262981).

The spelling of 144230540 in words is "one hundred forty-four million, two hundred thirty thousand, five hundred forty".