188090737145 has 16 divisors (see below), whose sum is σ = 229153330560. Its totient is φ = 148177776384.

The previous prime is 188090737103. The next prime is 188090737201. The reversal of 188090737145 is 541737090881.

It is a cyclic number.

It is not a de Polignac number, because 188090737145 - 2¹⁰ = 188090736121 is a prime.

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, 940289 + ... + 1122641.

It is an arithmetic number, because the mean of its divisors is an integer number (14322083160).

Almost surely, 2^188090737145 is an apocalyptic number.

It is an amenable number.

188090737145 is a deficient number, since it is larger than the sum of its proper divisors (41062593415).

188090737145 is a wasteful number, since it uses less digits than its factorization.

188090737145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 185504.

The product of its (nonzero) digits is 1693440, while the sum is 53.

The spelling of 188090737145 in words is "one hundred eighty-eight billion, ninety million, seven hundred thirty-seven thousand, one hundred forty-five".