188074045 has 8 divisors (see below), whose sum is σ = 230937696. Its totient is φ = 146960016.

The previous prime is 188074037. The next prime is 188074057. The reversal of 188074045 is 540470881.

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 188074045 - 2³ = 188074037 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 188073995 and 188074013.

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, 437167 + ... + 437596.

It is an arithmetic number, because the mean of its divisors is an integer number (28867212).

Almost surely, 2^188074045 is an apocalyptic number.

It is an amenable number.

188074045 is a deficient number, since it is larger than the sum of its proper divisors (42863651).

188074045 is an equidigital number, since it uses as much as digits as its factorization.

188074045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 874811.

The product of its (nonzero) digits is 35840, while the sum is 37.

The square root of 188074045 is about 13714.0090783111. The cubic root of 188074045 is about 572.9406306288.

The spelling of 188074045 in words is "one hundred eighty-eight million, seventy-four thousand, forty-five".