113203745 has 4 divisors (see below), whose sum is σ = 135844500. Its totient is φ = 90562992.

The previous prime is 113203711. The next prime is 113203771. The reversal of 113203745 is 547302311.

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 32706961 + 80496784 = 5719^2 + 8972^2 .

It is a cyclic number.

It is not a de Polignac number, because 113203745 - 2⁶ = 113203681 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11320370 + ... + 11320379.

It is an arithmetic number, because the mean of its divisors is an integer number (33961125).

Almost surely, 2^113203745 is an apocalyptic number.

It is an amenable number.

113203745 is a deficient number, since it is larger than the sum of its proper divisors (22640755).

113203745 is an equidigital number, since it uses as much as digits as its factorization.

113203745 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22640754.

The product of its (nonzero) digits is 2520, while the sum is 26.

The square root of 113203745 is about 10639.7248554650. The cubic root of 113203745 is about 483.7492055530.

The spelling of 113203745 in words is "one hundred thirteen million, two hundred three thousand, seven hundred forty-five".