109435545 has 24 divisors (see below), whose sum is σ = 200847816. Its totient is φ = 54931968.

The previous prime is 109435523. The next prime is 109435561. The reversal of 109435545 is 545534901.

109435545 is a `hidden beast` number, since 10 + 94 + 3 + 554 + 5 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 59351616 + 50083929 = 7704^2 + 7077^2 .

It is not a de Polignac number, because 109435545 - 2⁶ = 109435481 is a prime.

It is a super-2 number, since 2×109435545² = 23952277018894050, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 70762 + ... + 72291.

It is an arithmetic number, because the mean of its divisors is an integer number (8368659).

Almost surely, 2^109435545 is an apocalyptic number.

109435545 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

109435545 is a deficient number, since it is larger than the sum of its proper divisors (91412271).

109435545 is a wasteful number, since it uses less digits than its factorization.

109435545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 143081 (or 143078 counting only the distinct ones).

The product of its (nonzero) digits is 54000, while the sum is 36.

The square root of 109435545 is about 10461.1445358527. The cubic root of 109435545 is about 478.3210220203.

The spelling of 109435545 in words is "one hundred nine million, four hundred thirty-five thousand, five hundred forty-five".