105005550142 has 4 divisors (see below), whose sum is σ = 157508325216. Its totient is φ = 52502775070.

The previous prime is 105005550107. The next prime is 105005550151. The reversal of 105005550142 is 241055500501.

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

It is a super-2 number, since 2×105005550142² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 105005550142.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26251387534 + ... + 26251387537.

It is an arithmetic number, because the mean of its divisors is an integer number (39377081304).

Almost surely, 2^105005550142 is an apocalyptic number.

105005550142 is a deficient number, since it is larger than the sum of its proper divisors (52502775074).

105005550142 is an equidigital number, since it uses as much as digits as its factorization.

105005550142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52502775073.

The product of its (nonzero) digits is 5000, while the sum is 28.

The spelling of 105005550142 in words is "one hundred five billion, five million, five hundred fifty thousand, one hundred forty-two".