144616616442 has 48 divisors (see below), whose sum is σ = 320875356672. Its totient is φ = 47051232480.

The previous prime is 144616616401. The next prime is 144616616453. The reversal of 144616616442 is 244616616441.

144616616442 is a `hidden beast` number, since 1 + 4 + 46 + 166 + 1 + 6 + 442 = 666.

It is a super-2 number, since 2×144616616442² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 77592 + ... + 543372.

It is an arithmetic number, because the mean of its divisors is an integer number (6684903264).

Almost surely, 2^144616616442 is an apocalyptic number.

144616616442 is an abundant number, since it is smaller than the sum of its proper divisors (176258740230).

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

144616616442 is a wasteful number, since it uses less digits than its factorization.

144616616442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 466203 (or 466200 counting only the distinct ones).

The product of its digits is 663552, while the sum is 45.

Subtracting 144616616442 from its reverse (244616616441), we obtain a palindrome (99999999999).

The spelling of 144616616442 in words is "one hundred forty-four billion, six hundred sixteen million, six hundred sixteen thousand, four hundred forty-two".