109589454 has 72 divisors (see below), whose sum is σ = 270892440. Its totient is φ = 31741632.

The previous prime is 109589437. The next prime is 109589461. The reversal of 109589454 is 454985901.

109589454 is a `hidden beast` number, since 10 + 9 + 589 + 4 + 54 = 666.

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 35 ways as a sum of consecutive naturals, for example, 697944 + ... + 698100.

It is an arithmetic number, because the mean of its divisors is an integer number (3762395).

Almost surely, 2^109589454 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 109589454, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (135446220).

109589454 is an abundant number, since it is smaller than the sum of its proper divisors (161302986).

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

109589454 is a wasteful number, since it uses less digits than its factorization.

109589454 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 354 (or 194 counting only the distinct ones).

The product of its (nonzero) digits is 259200, while the sum is 45.

The square root of 109589454 is about 10468.4981730905. The cubic root of 109589454 is about 478.5451522006.

The spelling of 109589454 in words is "one hundred nine million, five hundred eighty-nine thousand, four hundred fifty-four".