188614945 has 8 divisors (see below), whose sum is σ = 226880640. Its totient is φ = 150530160.

The previous prime is 188614903. The next prime is 188614997. The reversal of 188614945 is 549416881.

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

It is not a de Polignac number, because 188614945 - 2⁷ = 188614817 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 188614895 and 188614904.

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, 42921 + ... + 47110.

It is an arithmetic number, because the mean of its divisors is an integer number (28360080).

Almost surely, 2^188614945 is an apocalyptic number.

It is an amenable number.

188614945 is a deficient number, since it is larger than the sum of its proper divisors (38265695).

188614945 is an equidigital number, since it uses as much as digits as its factorization.

188614945 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90455.

The product of its digits is 276480, while the sum is 46.

The square root of 188614945 is about 13733.7156297923. The cubic root of 188614945 is about 573.4893630304.

The spelling of 188614945 in words is "one hundred eighty-eight million, six hundred fourteen thousand, nine hundred forty-five".