103845949 has 4 divisors (see below), whose sum is σ = 105308640. Its totient is φ = 102383260.

The previous prime is 103845901. The next prime is 103845977. The reversal of 103845949 is 949548301.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 103845949 - 2⁷ = 103845821 is a prime.

It is a super-2 number, since 2×103845949² = 21567962247421202, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (103845149) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 731239 + ... + 731380.

It is an arithmetic number, because the mean of its divisors is an integer number (26327160).

Almost surely, 2^103845949 is an apocalyptic number.

It is an amenable number.

103845949 is a deficient number, since it is larger than the sum of its proper divisors (1462691).

103845949 is an equidigital number, since it uses as much as digits as its factorization.

103845949 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1462690.

The product of its (nonzero) digits is 155520, while the sum is 43.

The square root of 103845949 is about 10190.4832564506. The cubic root of 103845949 is about 470.0346269946.

The spelling of 103845949 in words is "one hundred three million, eight hundred forty-five thousand, nine hundred forty-nine".