105845432 has 32 divisors (see below), whose sum is σ = 247432320. Its totient is φ = 41238240.

The previous prime is 105845393. The next prime is 105845459. The reversal of 105845432 is 234548501.

It is a super-2 number, since 2×105845432² = 22406510950533248, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 85298 + ... + 86529.

It is an arithmetic number, because the mean of its divisors is an integer number (7732260).

Almost surely, 2^105845432 is an apocalyptic number.

It is an amenable number.

105845432 is an abundant number, since it is smaller than the sum of its proper divisors (141586888).

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

105845432 is a wasteful number, since it uses less digits than its factorization.

105845432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 171851 (or 171847 counting only the distinct ones).

The product of its (nonzero) digits is 19200, while the sum is 32.

The square root of 105845432 is about 10288.1209168633. The cubic root of 105845432 is about 473.0322019475.

The spelling of 105845432 in words is "one hundred five million, eight hundred forty-five thousand, four hundred thirty-two".