113445901 has 2 divisors, whose sum is σ = 113445902. Its totient is φ = 113445900.

The previous prime is 113445889. The next prime is 113445907. The reversal of 113445901 is 109544311.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 58537801 + 54908100 = 7651^2 + 7410^2 .

It is a cyclic number.

It is not a de Polignac number, because 113445901 - 2⁹ = 113445389 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 113445901.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (113445907) 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 as a sum of consecutive naturals, namely, 56722950 + 56722951.

It is an arithmetic number, because the mean of its divisors is an integer number (56722951).

Almost surely, 2^113445901 is an apocalyptic number.

It is an amenable number.

113445901 is a deficient number, since it is larger than the sum of its proper divisors (1).

113445901 is an equidigital number, since it uses as much as digits as its factorization.

113445901 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2160, while the sum is 28.

The square root of 113445901 is about 10651.0985818365. The cubic root of 113445901 is about 484.0938918659.

The spelling of 113445901 in words is "one hundred thirteen million, four hundred forty-five thousand, nine hundred one".