189445082 has 4 divisors (see below), whose sum is σ = 284167626. Its totient is φ = 94722540.

The previous prime is 189445073. The next prime is 189445097. The reversal of 189445082 is 280544981.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 280544981 = 7481 ⋅37501.

It can be written as a sum of positive squares in only one way, i.e., 151757761 + 37687321 = 12319^2 + 6139^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 47361269 + ... + 47361272.

Almost surely, 2^189445082 is an apocalyptic number.

189445082 is a deficient number, since it is larger than the sum of its proper divisors (94722544).

189445082 is an equidigital number, since it uses as much as digits as its factorization.

189445082 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 94722543.

The product of its (nonzero) digits is 92160, while the sum is 41.

The square root of 189445082 is about 13763.9050418114. The cubic root of 189445082 is about 574.3294838113.

The spelling of 189445082 in words is "one hundred eighty-nine million, four hundred forty-five thousand, eighty-two".