113144215 has 16 divisors (see below), whose sum is σ = 139476960. Its totient is φ = 88058880.

The previous prime is 113144201. The next prime is 113144219. The reversal of 113144215 is 512441311.

It is not a de Polignac number, because 113144215 - 2¹¹ = 113142167 is a prime.

It is a super-2 number, since 2×113144215² = 25603226775932450, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (113144219) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 111631 + ... + 112639.

It is an arithmetic number, because the mean of its divisors is an integer number (8717310).

Almost surely, 2^113144215 is an apocalyptic number.

113144215 is a deficient number, since it is larger than the sum of its proper divisors (26332745).

113144215 is a wasteful number, since it uses less digits than its factorization.

113144215 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1602.

The product of its digits is 480, while the sum is 22.

The square root of 113144215 is about 10636.9269528375. The cubic root of 113144215 is about 483.6643949325.

Adding to 113144215 its reverse (512441311), we get a palindrome (625585526).

The spelling of 113144215 in words is "one hundred thirteen million, one hundred forty-four thousand, two hundred fifteen".