103449345 has 16 divisors (see below), whose sum is σ = 166618752. Its totient is φ = 54806400.

The previous prime is 103449337. The next prime is 103449347. The reversal of 103449345 is 543944301.

It is not a de Polignac number, because 103449345 - 2³ = 103449337 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (103449347) 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, 20572 + ... + 25101.

It is an arithmetic number, because the mean of its divisors is an integer number (10413672).

Almost surely, 2^103449345 is an apocalyptic number.

103449345 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

103449345 is a deficient number, since it is larger than the sum of its proper divisors (63169407).

103449345 is a wasteful number, since it uses less digits than its factorization.

103449345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45832.

The product of its (nonzero) digits is 25920, while the sum is 33.

The square root of 103449345 is about 10171.0051125737. The cubic root of 103449345 is about 469.4354849025.

The spelling of 103449345 in words is "one hundred three million, four hundred forty-nine thousand, three hundred forty-five".