113400145 has 4 divisors (see below), whose sum is σ = 136080180. Its totient is φ = 90720112.

The previous prime is 113400103. The next prime is 113400167. The reversal of 113400145 is 541004311.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 541004311 = 17 ⋅31823783.

It can be written as a sum of positive squares in 2 ways, for example, as 73153809 + 40246336 = 8553^2 + 6344^2 .

It is a cyclic number.

It is not a de Polignac number, because 113400145 - 2⁷ = 113400017 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, 11340010 + ... + 11340019.

It is an arithmetic number, because the mean of its divisors is an integer number (34020045).

Almost surely, 2^113400145 is an apocalyptic number.

It is an amenable number.

113400145 is a deficient number, since it is larger than the sum of its proper divisors (22680035).

113400145 is an equidigital number, since it uses as much as digits as its factorization.

113400145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22680034.

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

The square root of 113400145 is about 10648.9504177642. The cubic root of 113400145 is about 484.0288001099.

Adding to 113400145 its reverse (541004311), we get a palindrome (654404456).

The spelling of 113400145 in words is "one hundred thirteen million, four hundred thousand, one hundred forty-five".