109047345 has 16 divisors (see below), whose sum is σ = 190337472. Its totient is φ = 52871360.

The previous prime is 109047343. The next prime is 109047349. The reversal of 109047345 is 543740901.

It is not a de Polignac number, because 109047345 - 2¹ = 109047343 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is not an unprimeable number, because it can be changed into a prime (109047343) 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, 330282 + ... + 330611.

It is an arithmetic number, because the mean of its divisors is an integer number (11896092).

Almost surely, 2^109047345 is an apocalyptic number.

109047345 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

109047345 is a deficient number, since it is larger than the sum of its proper divisors (81290127).

109047345 is a wasteful number, since it uses less digits than its factorization.

109047345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 660912.

The product of its (nonzero) digits is 15120, while the sum is 33.

The square root of 109047345 is about 10442.5736770204. The cubic root of 109047345 is about 477.7547702500.

The spelling of 109047345 in words is "one hundred nine million, forty-seven thousand, three hundred forty-five".