1153142252 has 6 divisors (see below), whose sum is σ = 2017998948. Its totient is φ = 576571124.

The previous prime is 1153142239. The next prime is 1153142279. The reversal of 1153142252 is 2522413511.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 144142778 + ... + 144142785.

It is an arithmetic number, because the mean of its divisors is an integer number (336333158).

Almost surely, 2^1153142252 is an apocalyptic number.

It is an amenable number.

1153142252 is a deficient number, since it is larger than the sum of its proper divisors (864856696).

1153142252 is a wasteful number, since it uses less digits than its factorization.

1153142252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 288285567 (or 288285565 counting only the distinct ones).

The product of its digits is 2400, while the sum is 26.

The square root of 1153142252 is about 33957.9482890236. The cubic root of 1153142252 is about 1048.6429185908.

Adding to 1153142252 its reverse (2522413511), we get a palindrome (3675555763).

The spelling of 1153142252 in words is "one billion, one hundred fifty-three million, one hundred forty-two thousand, two hundred fifty-two".