109348155 has 72 divisors (see below), whose sum is σ = 223118064. Its totient is φ = 49392000.

The previous prime is 109348147. The next prime is 109348157. The reversal of 109348155 is 551843901.

It is not a de Polignac number, because 109348155 - 2³ = 109348147 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (109348157) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 222460 + ... + 222950.

It is an arithmetic number, because the mean of its divisors is an integer number (3098862).

Almost surely, 2^109348155 is an apocalyptic number.

109348155 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

109348155 is an abundant number, since it is smaller than the sum of its proper divisors (113769909).

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

109348155 is a wasteful number, since it uses less digits than its factorization.

109348155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 617 (or 607 counting only the distinct ones).

The product of its (nonzero) digits is 21600, while the sum is 36.

The square root of 109348155 is about 10456.9668164339. The cubic root of 109348155 is about 478.1936666725.

The spelling of 109348155 in words is "one hundred nine million, three hundred forty-eight thousand, one hundred fifty-five".