113002145 has 8 divisors (see below), whose sum is σ = 143579304. Its totient is φ = 85083904.

The previous prime is 113002091. The next prime is 113002157. The reversal of 113002145 is 541200311.

It can be written as a sum of positive squares in 4 ways, for example, as 48874081 + 64128064 = 6991^2 + 8008^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 113002145 - 2¹⁰ = 113001121 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 664634 + ... + 664803.

It is an arithmetic number, because the mean of its divisors is an integer number (17947413).

Almost surely, 2^113002145 is an apocalyptic number.

It is an amenable number.

113002145 is a deficient number, since it is larger than the sum of its proper divisors (30577159).

113002145 is a wasteful number, since it uses less digits than its factorization.

113002145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1329459.

The product of its (nonzero) digits is 120, while the sum is 17.

The square root of 113002145 is about 10630.2467045690. The cubic root of 113002145 is about 483.4618717454.

Adding to 113002145 its reverse (541200311), we get a palindrome (654202456).

The spelling of 113002145 in words is "one hundred thirteen million, two thousand, one hundred forty-five".