13452502145 has 4 divisors (see below), whose sum is σ = 16143002580. Its totient is φ = 10762001712.

The previous prime is 13452502127. The next prime is 13452502153. The reversal of 13452502145 is 54120525431.

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 1888510849 + 11563991296 = 43457^2 + 107536^2 .

It is a cyclic number.

It is not a de Polignac number, because 13452502145 - 2⁸ = 13452501889 is a prime.

It is a super-2 number, since 2×13452502145² (a number of 21 digits) contains 22 as substring.

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, 1345250210 + ... + 1345250219.

It is an arithmetic number, because the mean of its divisors is an integer number (4035750645).

Almost surely, 2^13452502145 is an apocalyptic number.

It is an amenable number.

13452502145 is a deficient number, since it is larger than the sum of its proper divisors (2690500435).

13452502145 is an equidigital number, since it uses as much as digits as its factorization.

13452502145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2690500434.

The product of its (nonzero) digits is 24000, while the sum is 32.

The spelling of 13452502145 in words is "thirteen billion, four hundred fifty-two million, five hundred two thousand, one hundred forty-five".