190458089 has 4 divisors (see below), whose sum is σ = 201661524. Its totient is φ = 179254656.

The previous prime is 190458083. The next prime is 190458091. The reversal of 190458089 is 980854091.

190458089 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 101344489 + 89113600 = 10067^2 + 9440^2 .

It is a cyclic number.

It is not a de Polignac number, because 190458089 - 2²⁰ = 189409513 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (190458083) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5601692 + ... + 5601725.

It is an arithmetic number, because the mean of its divisors is an integer number (50415381).

Almost surely, 2^190458089 is an apocalyptic number.

It is an amenable number.

190458089 is a deficient number, since it is larger than the sum of its proper divisors (11203435).

190458089 is a wasteful number, since it uses less digits than its factorization.

190458089 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11203434.

The product of its (nonzero) digits is 103680, while the sum is 44.

The square root of 190458089 is about 13800.6553829882. The cubic root of 190458089 is about 575.3513557695.

The spelling of 190458089 in words is "one hundred ninety million, four hundred fifty-eight thousand, eighty-nine".