113445001 has 2 divisors, whose sum is σ = 113445002. Its totient is φ = 113445000.

The previous prime is 113444977. The next prime is 113445053. The reversal of 113445001 is 100544311.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 69288976 + 44156025 = 8324^2 + 6645^2 .

It is a cyclic number.

It is not a de Polignac number, because 113445001 - 2⁹ = 113444489 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 113445001.

It is not a weakly prime, because it can be changed into another prime (113445061) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56722500 + 56722501.

It is an arithmetic number, because the mean of its divisors is an integer number (56722501).

Almost surely, 2^113445001 is an apocalyptic number.

It is an amenable number.

113445001 is a deficient number, since it is larger than the sum of its proper divisors (1).

113445001 is an equidigital number, since it uses as much as digits as its factorization.

113445001 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 240, while the sum is 19.

The square root of 113445001 is about 10651.0563325897. The cubic root of 113445001 is about 484.0926117090.

Adding to 113445001 its reverse (100544311), we get a palindrome (213989312).

The spelling of 113445001 in words is "one hundred thirteen million, four hundred forty-five thousand, one".