144543634642 has 64 divisors (see below), whose sum is σ = 262931235840. Its totient is φ = 58819780800.

The previous prime is 144543634639. The next prime is 144543634643. The reversal of 144543634642 is 246436345441.

144543634642 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Smith number, since the sum of its digits (46) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Harshad number since it is a multiple of its sum of digits (46).

It is a junction number, because it is equal to n+sod(n) for n = 144543634592 and 144543634601.

It is not an unprimeable number, because it can be changed into a prime (144543634643) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 707392 + ... + 888532.

It is an arithmetic number, because the mean of its divisors is an integer number (4108300560).

Almost surely, 2^144543634642 is an apocalyptic number.

144543634642 is a deficient number, since it is larger than the sum of its proper divisors (118387601198).

144543634642 is a wasteful number, since it uses less digits than its factorization.

144543634642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 181279.

The product of its digits is 3317760, while the sum is 46.

The spelling of 144543634642 in words is "one hundred forty-four billion, five hundred forty-three million, six hundred thirty-four thousand, six hundred forty-two".