144473849857 has 8 divisors (see below), whose sum is σ = 145920100032. Its totient is φ = 143027910000.

The previous prime is 144473849843. The next prime is 144473849873. The reversal of 144473849857 is 758948374441.

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 144473849857 - 2¹⁹ = 144473325569 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (144473849837) 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, 922348 + ... + 1067554.

It is an arithmetic number, because the mean of its divisors is an integer number (18240012504).

It is a Proth number, since it is equal to 137781 ⋅ 2²⁰ + 1 and 137781 < 2²⁰.

Almost surely, 2^144473849857 is an apocalyptic number.

It is an amenable number.

144473849857 is a deficient number, since it is larger than the sum of its proper divisors (1446250175).

144473849857 is a wasteful number, since it uses less digits than its factorization.

144473849857 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 155159.

The product of its digits is 108380160, while the sum is 64.

The spelling of 144473849857 in words is "one hundred forty-four billion, four hundred seventy-three million, eight hundred forty-nine thousand, eight hundred fifty-seven".