105140525242 has 8 divisors (see below), whose sum is σ = 161378480736. Its totient is φ = 51347698332.

The previous prime is 105140525239. The next prime is 105140525249. The reversal of 105140525242 is 242525041501.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×105140525242² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (105140525249) 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, 611282038 + ... + 611282209.

It is an arithmetic number, because the mean of its divisors is an integer number (20172310092).

Almost surely, 2^105140525242 is an apocalyptic number.

105140525242 is a deficient number, since it is larger than the sum of its proper divisors (56237955494).

105140525242 is a wasteful number, since it uses less digits than its factorization.

105140525242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1222564292.

The product of its (nonzero) digits is 16000, while the sum is 31.

Adding to 105140525242 its reverse (242525041501), we get a palindrome (347665566743).

The spelling of 105140525242 in words is "one hundred five billion, one hundred forty million, five hundred twenty-five thousand, two hundred forty-two".