109645005 has 16 divisors (see below), whose sum is σ = 175561920. Its totient is φ = 58434048.

The previous prime is 109645001. The next prime is 109645009. The reversal of 109645005 is 500546901.

It is an interprime number because it is at equal distance from previous prime (109645001) and next prime (109645009).

It is not a de Polignac number, because 109645005 - 2² = 109645001 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (109645001) 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, 37486 + ... + 40304.

It is an arithmetic number, because the mean of its divisors is an integer number (10972620).

Almost surely, 2^109645005 is an apocalyptic number.

109645005 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

109645005 is a deficient number, since it is larger than the sum of its proper divisors (65916915).

109645005 is a wasteful number, since it uses less digits than its factorization.

109645005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5420.

The product of its (nonzero) digits is 5400, while the sum is 30.

The square root of 109645005 is about 10471.1510828562. The cubic root of 109645005 is about 478.6259968752.

The spelling of 109645005 in words is "one hundred nine million, six hundred forty-five thousand, five".