105305132 has 12 divisors (see below), whose sum is σ = 192296496. Its totient is φ = 50363280.

The previous prime is 105305107. The next prime is 105305143. The reversal of 105305132 is 231503501.

It is a super-2 number, since 2×105305132² = 22178341651074848, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 572219 + ... + 572402.

It is an arithmetic number, because the mean of its divisors is an integer number (16024708).

Almost surely, 2^105305132 is an apocalyptic number.

It is an amenable number.

105305132 is a deficient number, since it is larger than the sum of its proper divisors (86991364).

105305132 is a wasteful number, since it uses less digits than its factorization.

105305132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1144648 (or 1144646 counting only the distinct ones).

The product of its (nonzero) digits is 450, while the sum is 20.

The square root of 105305132 is about 10261.8288818319. The cubic root of 105305132 is about 472.2259463564.

Adding to 105305132 its reverse (231503501), we get a palindrome (336808633).

The spelling of 105305132 in words is "one hundred five million, three hundred five thousand, one hundred thirty-two".