144497857988 has 24 divisors (see below), whose sum is σ = 276877501824. Its totient is φ = 65438474400.

The previous prime is 144497857979. The next prime is 144497858003. The reversal of 144497857988 is 889758794441.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6047195 + ... + 6071042.

It is an arithmetic number, because the mean of its divisors is an integer number (11536562576).

Almost surely, 2^144497857988 is an apocalyptic number.

It is an amenable number.

144497857988 is a deficient number, since it is larger than the sum of its proper divisors (132379643836).

144497857988 is a wasteful number, since it uses less digits than its factorization.

144497857988 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12118523 (or 12118521 counting only the distinct ones).

The product of its digits is 650280960, while the sum is 74.

The spelling of 144497857988 in words is "one hundred forty-four billion, four hundred ninety-seven million, eight hundred fifty-seven thousand, nine hundred eighty-eight".