144020451222 has 28 divisors (see below), whose sum is σ = 323897849340. Its totient is φ = 48006816588.

The previous prime is 144020451221. The next prime is 144020451241. The reversal of 144020451222 is 222154020441.

It is a happy number.

144020451222 is a `hidden beast` number, since 1 + 440 + 204 + 5 + 12 + 2 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144020451221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 13 ways as a sum of consecutive naturals, for example, 49388272 + ... + 49391187.

Almost surely, 2^144020451222 is an apocalyptic number.

144020451222 is an abundant number, since it is smaller than the sum of its proper divisors (179877398118).

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

144020451222 is an frugal number, since it uses more digits than its factorization.

144020451222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 98779479 (or 98779464 counting only the distinct ones).

The product of its (nonzero) digits is 5120, while the sum is 27.

Adding to 144020451222 its reverse (222154020441), we get a palindrome (366174471663).

The spelling of 144020451222 in words is "one hundred forty-four billion, twenty million, four hundred fifty-one thousand, two hundred twenty-two".