105453642 has 16 divisors (see below), whose sum is σ = 241036992. Its totient is φ = 30129600.

The previous prime is 105453631. The next prime is 105453659. The reversal of 105453642 is 246354501.

It is a super-2 number, since 2×105453642² = 22240941222128328, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1255359 + ... + 1255442.

It is an arithmetic number, because the mean of its divisors is an integer number (15064812).

Almost surely, 2^105453642 is an apocalyptic number.

105453642 is an abundant number, since it is smaller than the sum of its proper divisors (135583350).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

105453642 is a wasteful number, since it uses less digits than its factorization.

105453642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2510813.

The product of its (nonzero) digits is 14400, while the sum is 30.

The square root of 105453642 is about 10269.0623719987. The cubic root of 105453642 is about 472.4478327669.

The spelling of 105453642 in words is "one hundred five million, four hundred fifty-three thousand, six hundred forty-two".