105452445142 has 16 divisors (see below), whose sum is σ = 172647886032. Its totient is φ = 47908113120.

The previous prime is 105452445079. The next prime is 105452445143. The reversal of 105452445142 is 241544254501.

It is a super-2 number, since 2×105452445142² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (105452445143) 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, 1197333 + ... + 1282384.

It is an arithmetic number, because the mean of its divisors is an integer number (10790492877).

Almost surely, 2^105452445142 is an apocalyptic number.

105452445142 is a deficient number, since it is larger than the sum of its proper divisors (67195440890).

105452445142 is a wasteful number, since it uses less digits than its factorization.

105452445142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2481663.

The product of its (nonzero) digits is 128000, while the sum is 37.

Adding to 105452445142 its reverse (241544254501), we get a palindrome (346996699643).

The spelling of 105452445142 in words is "one hundred five billion, four hundred fifty-two million, four hundred forty-five thousand, one hundred forty-two".