144887456968 has 64 divisors (see below), whose sum is σ = 277191072000. Its totient is φ = 70983843840.

The previous prime is 144887456957. The next prime is 144887456971. The reversal of 144887456968 is 869654788441.

It is a Smith number, since the sum of its digits (70) coincides with the sum of the digits of its prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 144887456897 and 144887456906.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 87438796 + ... + 87440452.

It is an arithmetic number, because the mean of its divisors is an integer number (4331110500).

Almost surely, 2^144887456968 is an apocalyptic number.

It is an amenable number.

144887456968 is a deficient number, since it is larger than the sum of its proper divisors (132303615032).

144887456968 is a wasteful number, since it uses less digits than its factorization.

144887456968 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2590 (or 2586 counting only the distinct ones).

The product of its digits is 371589120, while the sum is 70.

The spelling of 144887456968 in words is "one hundred forty-four billion, eight hundred eighty-seven million, four hundred fifty-six thousand, nine hundred sixty-eight".