144645636683 has 8 divisors (see below), whose sum is σ = 145142150400. Its totient is φ = 144149643688.

The previous prime is 144645636659. The next prime is 144645636713. The reversal of 144645636683 is 386636546441.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-144645636683 is a prime.

It is a super-2 number, since 2×144645636683² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (144645636613) 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 7 ways as a sum of consecutive naturals, for example, 430460 + ... + 688902.

It is an arithmetic number, because the mean of its divisors is an integer number (18142768800).

Almost surely, 2^144645636683 is an apocalyptic number.

144645636683 is a deficient number, since it is larger than the sum of its proper divisors (496513717).

144645636683 is a wasteful number, since it uses less digits than its factorization.

144645636683 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 260361.

The product of its digits is 29859840, while the sum is 56.

The spelling of 144645636683 in words is "one hundred forty-four billion, six hundred forty-five million, six hundred thirty-six thousand, six hundred eighty-three".