189043275 has 12 divisors (see below), whose sum is σ = 312551672. Its totient is φ = 100823040.

The previous prime is 189043273. The next prime is 189043291. The reversal of 189043275 is 572340981.

It is not a de Polignac number, because 189043275 - 2¹ = 189043273 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (189043271) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1260214 + ... + 1260363.

Almost surely, 2^189043275 is an apocalyptic number.

189043275 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

189043275 is a deficient number, since it is larger than the sum of its proper divisors (123508397).

189043275 is a wasteful number, since it uses less digits than its factorization.

189043275 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2520590 (or 2520585 counting only the distinct ones).

The product of its (nonzero) digits is 60480, while the sum is 39.

The square root of 189043275 is about 13749.3008913181. The cubic root of 189043275 is about 573.9231515405.

The spelling of 189043275 in words is "one hundred eighty-nine million, forty-three thousand, two hundred seventy-five".