144245224604442 has 128 divisors (see below), whose sum is σ = 330087086993664. Its totient is φ = 41628973068288.

The previous prime is 144245224604417. The next prime is 144245224604449. The reversal of 144245224604442 is 244406422542441.

It is a happy number.

It is a super-2 number, since 2×144245224604442² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 144245224604391 and 144245224604400.

It is not an unprimeable number, because it can be changed into a prime (144245224604449) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2571508948 + ... + 2571565040.

It is an arithmetic number, because the mean of its divisors is an integer number (2578805367138).

Almost surely, 2^{144245224604442} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 144245224604442, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (165043543496832).

144245224604442 is an abundant number, since it is smaller than the sum of its proper divisors (185841862389222).

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

144245224604442 is a wasteful number, since it uses less digits than its factorization.

144245224604442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62752.

The product of its (nonzero) digits is 7864320, while the sum is 48.

The spelling of 144245224604442 in words is "one hundred forty-four trillion, two hundred forty-five billion, two hundred twenty-four million, six hundred four thousand, four hundred forty-two".