52145135234 has 4 divisors (see below), whose sum is σ = 78217702854. Its totient is φ = 26072567616.

The previous prime is 52145135227. The next prime is 52145135279. The reversal of 52145135234 is 43253154125.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 41699682025 + 10445453209 = 204205^2 + 102203^2 .

It is a junction number, because it is equal to n+sod(n) for n = 52145135194 and 52145135203.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13036283807 + ... + 13036283810.

Almost surely, 2^52145135234 is an apocalyptic number.

52145135234 is a deficient number, since it is larger than the sum of its proper divisors (26072567620).

52145135234 is a wasteful number, since it uses less digits than its factorization.

52145135234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26072567619.

The product of its digits is 72000, while the sum is 35.

Adding to 52145135234 its reverse (43253154125), we get a palindrome (95398289359).

The spelling of 52145135234 in words is "fifty-two billion, one hundred forty-five million, one hundred thirty-five thousand, two hundred thirty-four".