144540556 has 12 divisors (see below), whose sum is σ = 263943792. Its totient is φ = 69128048.

The previous prime is 144540551. The next prime is 144540577. The reversal of 144540556 is 655045441.

144540556 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (144540551) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 785455 + ... + 785638.

It is an arithmetic number, because the mean of its divisors is an integer number (21995316).

Almost surely, 2^144540556 is an apocalyptic number.

It is an amenable number.

144540556 is a deficient number, since it is larger than the sum of its proper divisors (119403236).

144540556 is a wasteful number, since it uses less digits than its factorization.

144540556 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1571120 (or 1571118 counting only the distinct ones).

The product of its (nonzero) digits is 48000, while the sum is 34.

The square root of 144540556 is about 12022.5020690370. The cubic root of 144540556 is about 524.8033198267.

Adding to 144540556 its reverse (655045441), we get a palindrome (799585997).

The spelling of 144540556 in words is "one hundred forty-four million, five hundred forty thousand, five hundred fifty-six".