188814245 has 8 divisors (see below), whose sum is σ = 236428416. Its totient is φ = 144483856.

The previous prime is 188814221. The next prime is 188814253. The reversal of 188814245 is 542418881.

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 188814245 - 2¹⁰ = 188813221 is a prime.

It is a super-2 number, since 2×188814245² = 71301638229840050, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

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, 820817 + ... + 821046.

It is an arithmetic number, because the mean of its divisors is an integer number (29553552).

Almost surely, 2^188814245 is an apocalyptic number.

It is an amenable number.

188814245 is a deficient number, since it is larger than the sum of its proper divisors (47614171).

188814245 is a wasteful number, since it uses less digits than its factorization.

188814245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1641891.

The product of its digits is 81920, while the sum is 41.

The square root of 188814245 is about 13740.9695800551. The cubic root of 188814245 is about 573.6912844575.

The spelling of 188814245 in words is "one hundred eighty-eight million, eight hundred fourteen thousand, two hundred forty-five".