109445892 has 48 divisors (see below), whose sum is σ = 267224832. Its totient is φ = 34827520.

The previous prime is 109445887. The next prime is 109445893. The reversal of 109445892 is 298544901.

It is not an unprimeable number, because it can be changed into a prime (109445893) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20758 + ... + 25490.

It is an arithmetic number, because the mean of its divisors is an integer number (5567184).

Almost surely, 2^109445892 is an apocalyptic number.

109445892 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

109445892 is an abundant number, since it is smaller than the sum of its proper divisors (157778940).

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

109445892 is a wasteful number, since it uses less digits than its factorization.

109445892 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4828 (or 4826 counting only the distinct ones).

The product of its (nonzero) digits is 103680, while the sum is 42.

The square root of 109445892 is about 10461.6390685208. The cubic root of 109445892 is about 478.3360964389.

It can be divided in two parts, 10944 and 5892, that added together give a triangular number (16836 = T₁₈₃).

The spelling of 109445892 in words is "one hundred nine million, four hundred forty-five thousand, eight hundred ninety-two".