13152145 has 4 divisors (see below), whose sum is σ = 15782580. Its totient is φ = 10521712.

The previous prime is 13152127. The next prime is 13152193. The reversal of 13152145 is 54125131.

It is a happy number.

13152145 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 54125131 = 563 ⋅96137.

It can be written as a sum of positive squares in 2 ways, for example, as 5216656 + 7935489 = 2284^2 + 2817^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13152145 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, 1315210 + ... + 1315219.

It is an arithmetic number, because the mean of its divisors is an integer number (3945645).

Almost surely, 2^13152145 is an apocalyptic number.

It is an amenable number.

13152145 is a deficient number, since it is larger than the sum of its proper divisors (2630435).

13152145 is an equidigital number, since it uses as much as digits as its factorization.

13152145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2630434.

The product of its digits is 600, while the sum is 22.

The square root of 13152145 is about 3626.5886174200. The cubic root of 13152145 is about 236.0472051987.

Adding to 13152145 its reverse (54125131), we get a palindrome (67277276).

The spelling of 13152145 in words is "thirteen million, one hundred fifty-two thousand, one hundred forty-five".