1142152312 has 32 divisors (see below), whose sum is σ = 2454772320. Its totient is φ = 488033280.

The previous prime is 1142152307. The next prime is 1142152321. The reversal of 1142152312 is 2132512411.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11389 + ... + 49132.

It is an arithmetic number, because the mean of its divisors is an integer number (76711635).

Almost surely, 2^1142152312 is an apocalyptic number.

It is an amenable number.

1142152312 is an abundant number, since it is smaller than the sum of its proper divisors (1312620008).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1142152312 is a wasteful number, since it uses less digits than its factorization.

1142152312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60871 (or 60867 counting only the distinct ones).

The product of its digits is 480, while the sum is 22.

The square root of 1142152312 is about 33795.7439924024. The cubic root of 1142152312 is about 1045.3009403177.

Adding to 1142152312 its reverse (2132512411), we get a palindrome (3274664723).

The spelling of 1142152312 in words is "one billion, one hundred forty-two million, one hundred fifty-two thousand, three hundred twelve".