144442546120 has 64 divisors (see below), whose sum is σ = 348259201920. Its totient is φ = 53723188224.

The previous prime is 144442546117. The next prime is 144442546121. The reversal of 144442546120 is 21645244441.

It is a self number, because there is not a number n which added to its sum of digits gives 144442546120.

It is not an unprimeable number, because it can be changed into a prime (144442546121) 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 15 ways as a sum of consecutive naturals, for example, 1223172 + ... + 1336051.

It is an arithmetic number, because the mean of its divisors is an integer number (5441550030).

Almost surely, 2^144442546120 is an apocalyptic number.

144442546120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

144442546120 is an abundant number, since it is smaller than the sum of its proper divisors (203816655800).

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

144442546120 is a wasteful number, since it uses less digits than its factorization.

144442546120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2559334 (or 2559330 counting only the distinct ones).

The product of its (nonzero) digits is 122880, while the sum is 37.

The spelling of 144442546120 in words is "one hundred forty-four billion, four hundred forty-two million, five hundred forty-six thousand, one hundred twenty".