189086280045 has 16 divisors (see below), whose sum is σ = 325810205952. Its totient is φ = 93088630080.

The previous prime is 189086280041. The next prime is 189086280091. The reversal of 189086280045 is 540082680981.

189086280045 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 189086280045 - 2² = 189086280041 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 189086280045.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (189086280041) 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 15 ways as a sum of consecutive naturals, for example, 484836421 + ... + 484836810.

It is an arithmetic number, because the mean of its divisors is an integer number (20363137872).

Almost surely, 2^189086280045 is an apocalyptic number.

189086280045 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

189086280045 is a deficient number, since it is larger than the sum of its proper divisors (136723925907).

189086280045 is a wasteful number, since it uses less digits than its factorization.

189086280045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 969673252.

The product of its (nonzero) digits is 1105920, while the sum is 51.

The spelling of 189086280045 in words is "one hundred eighty-nine billion, eighty-six million, two hundred eighty thousand, forty-five".