144540022 has 8 divisors (see below), whose sum is σ = 236520072. Its totient is φ = 65700000.

The previous prime is 144540013. The next prime is 144540023. The reversal of 144540022 is 220045441.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Harshad number since it is a multiple of its sum of digits (22), and also a Moran number because the ratio is a prime number: 6570001 = 144540022 / (1 + 4 + 4 + 5 + 4 + 0 + 0 + 2 + 2).

It is a junction number, because it is equal to n+sod(n) for n = 144539975 and 144540002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144540023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3284979 + ... + 3285022.

It is an arithmetic number, because the mean of its divisors is an integer number (29565009).

Almost surely, 2^144540022 is an apocalyptic number.

144540022 is a deficient number, since it is larger than the sum of its proper divisors (91980050).

144540022 is a wasteful number, since it uses less digits than its factorization.

144540022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6570014.

The product of its (nonzero) digits is 1280, while the sum is 22.

The square root of 144540022 is about 12022.4798606610. The cubic root of 144540022 is about 524.8026735368.

Adding to 144540022 its reverse (220045441), we get a palindrome (364585463).

The spelling of 144540022 in words is "one hundred forty-four million, five hundred forty thousand, twenty-two".