144897147859 has 8 divisors (see below), whose sum is σ = 148526535872. Its totient is φ = 141279563880.

The previous prime is 144897147823. The next prime is 144897147869. The reversal of 144897147859 is 958741798441.

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

It is a cyclic number.

It is not a de Polignac number, because 144897147859 - 2⁹ = 144897147347 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 144897147794 and 144897147803.

It is not an unprimeable number, because it can be changed into a prime (144897147869) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2926149 + ... + 2975254.

It is an arithmetic number, because the mean of its divisors is an integer number (18565816984).

Almost surely, 2^144897147859 is an apocalyptic number.

144897147859 is a deficient number, since it is larger than the sum of its proper divisors (3629388013).

144897147859 is an equidigital number, since it uses as much as digits as its factorization.

144897147859 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5902017.

The product of its digits is 81285120, while the sum is 67.

The spelling of 144897147859 in words is "one hundred forty-four billion, eight hundred ninety-seven million, one hundred forty-seven thousand, eight hundred fifty-nine".