242645194 has 16 divisors (see below), whose sum is σ = 398797920. Its totient is φ = 109809360.

The previous prime is 242645191. The next prime is 242645213. The reversal of 242645194 is 491546242.

It is not an unprimeable number, because it can be changed into a prime (242645191) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19044 + ... + 29119.

It is an arithmetic number, because the mean of its divisors is an integer number (24924870).

Almost surely, 2^242645194 is an apocalyptic number.

242645194 is a deficient number, since it is larger than the sum of its proper divisors (156152726).

242645194 is a wasteful number, since it uses less digits than its factorization.

242645194 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48405.

The product of its digits is 69120, while the sum is 37.

The square root of 242645194 is about 15577.0727031750. The cubic root of 242645194 is about 623.7212844828.

The spelling of 242645194 in words is "two hundred forty-two million, six hundred forty-five thousand, one hundred ninety-four".