219148243 has 8 divisors (see below), whose sum is σ = 224040960. Its totient is φ = 214294920.

The previous prime is 219148231. The next prime is 219148271. The reversal of 219148243 is 342841912.

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 219148243 - 2⁵ = 219148211 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 219148199 and 219148208.

It is not an unprimeable number, because it can be changed into a prime (219148213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1546 + ... + 20992.

It is an arithmetic number, because the mean of its divisors is an integer number (28005120).

Almost surely, 2^219148243 is an apocalyptic number.

219148243 is a deficient number, since it is larger than the sum of its proper divisors (4892717).

219148243 is a wasteful number, since it uses less digits than its factorization.

219148243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19697.

The product of its digits is 13824, while the sum is 34.

The square root of 219148243 is about 14803.6564064423. The cubic root of 219148243 is about 602.9009909617.

The spelling of 219148243 in words is "two hundred nineteen million, one hundred forty-eight thousand, two hundred forty-three".