191245098 has 24 divisors (see below), whose sum is σ = 420424704. Its totient is φ = 57952840.

The previous prime is 191245091. The next prime is 191245151. The reversal of 191245098 is 890542191.

191245098 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (191245091) 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, 130986 + ... + 132437.

It is an arithmetic number, because the mean of its divisors is an integer number (17517696).

Almost surely, 2^191245098 is an apocalyptic number.

191245098 is an abundant number, since it is smaller than the sum of its proper divisors (229179606).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

191245098 is a wasteful number, since it uses less digits than its factorization.

191245098 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 263450 (or 263439 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 39.

The square root of 191245098 is about 13829.1394526196. The cubic root of 191245098 is about 576.1427537282.

The spelling of 191245098 in words is "one hundred ninety-one million, two hundred forty-five thousand, ninety-eight".