11445142252 has 12 divisors (see below), whose sum is σ = 21083156920. Its totient is φ = 5421383136.

The previous prime is 11445142243. The next prime is 11445142279. The reversal of 11445142252 is 25224154411.

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, 75296913 + ... + 75297064.

Almost surely, 2^11445142252 is an apocalyptic number.

It is an amenable number.

11445142252 is a deficient number, since it is larger than the sum of its proper divisors (9638014668).

11445142252 is a wasteful number, since it uses less digits than its factorization.

11445142252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 150594000 (or 150593998 counting only the distinct ones).

The product of its digits is 12800, while the sum is 31.

Adding to 11445142252 its reverse (25224154411), we get a palindrome (36669296663).

The spelling of 11445142252 in words is "eleven billion, four hundred forty-five million, one hundred forty-two thousand, two hundred fifty-two".