242045105 has 4 divisors (see below), whose sum is σ = 290454132. Its totient is φ = 193636080.

The previous prime is 242045101. The next prime is 242045113. The reversal of 242045105 is 501540242.

It is a happy number.

242045105 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 127961344 + 114083761 = 11312^2 + 10681^2 .

It is not a de Polignac number, because 242045105 - 2² = 242045101 is a prime.

It is a super-2 number, since 2×242045105² = 117171665708922050, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (242045101) 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, 24204506 + ... + 24204515.

It is an arithmetic number, because the mean of its divisors is an integer number (72613533).

Almost surely, 2^242045105 is an apocalyptic number.

It is an amenable number.

242045105 is a deficient number, since it is larger than the sum of its proper divisors (48409027).

242045105 is an equidigital number, since it uses as much as digits as its factorization.

242045105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48409026.

The product of its (nonzero) digits is 1600, while the sum is 23.

The square root of 242045105 is about 15557.7988481662. The cubic root of 242045105 is about 623.2066822732.

Adding to 242045105 its reverse (501540242), we get a palindrome (743585347).

The spelling of 242045105 in words is "two hundred forty-two million, forty-five thousand, one hundred five".