113453145409 has 4 divisors (see below), whose sum is σ = 113454160516. Its totient is φ = 113452130304.

The previous prime is 113453145397. The next prime is 113453145431. The reversal of 113453145409 is 904541354311.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 90584144784 + 22869000625 = 300972^2 + 151225^2 .

It is a cyclic number.

It is not a de Polignac number, because 113453145409 - 2¹¹ = 113453143361 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (113453145479) 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, 315744 + ... + 571489.

It is an arithmetic number, because the mean of its divisors is an integer number (28363540129).

Almost surely, 2^113453145409 is an apocalyptic number.

It is an amenable number.

113453145409 is a deficient number, since it is larger than the sum of its proper divisors (1015107).

113453145409 is an equidigital number, since it uses as much as digits as its factorization.

113453145409 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1015106.

The product of its (nonzero) digits is 129600, while the sum is 40.

The spelling of 113453145409 in words is "one hundred thirteen billion, four hundred fifty-three million, one hundred forty-five thousand, four hundred nine".