101453909 has 4 divisors (see below), whose sum is σ = 107421804. Its totient is φ = 95486016.

The previous prime is 101453893. The next prime is 101453929. The reversal of 101453909 is 909354101.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 41344900 + 60109009 = 6430^2 + 7753^2 .

It is a cyclic number.

It is not a de Polignac number, because 101453909 - 2⁴ = 101453893 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101453929) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2983922 + ... + 2983955.

It is an arithmetic number, because the mean of its divisors is an integer number (26855451).

Almost surely, 2^101453909 is an apocalyptic number.

It is an amenable number.

101453909 is a deficient number, since it is larger than the sum of its proper divisors (5967895).

101453909 is an equidigital number, since it uses as much as digits as its factorization.

101453909 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5967894.

The product of its (nonzero) digits is 4860, while the sum is 32.

The square root of 101453909 is about 10072.4331221408. The cubic root of 101453909 is about 466.3975513569.

The spelling of 101453909 in words is "one hundred one million, four hundred fifty-three thousand, nine hundred nine".