144217898 has 32 divisors (see below), whose sum is σ = 241532928. Its totient is φ = 64033200.

The previous prime is 144217873. The next prime is 144217903. The reversal of 144217898 is 898712441.

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, 198011 + ... + 198737.

It is an arithmetic number, because the mean of its divisors is an integer number (7547904).

Almost surely, 2^144217898 is an apocalyptic number.

144217898 is a deficient number, since it is larger than the sum of its proper divisors (97315030).

144217898 is a wasteful number, since it uses less digits than its factorization.

144217898 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 938.

The product of its digits is 129024, while the sum is 44.

The square root of 144217898 is about 12009.0756513564. The cubic root of 144217898 is about 524.4125225983.

The spelling of 144217898 in words is "one hundred forty-four million, two hundred seventeen thousand, eight hundred ninety-eight".