1142230152 has 64 divisors (see below), whose sum is σ = 3343132800. Its totient is φ = 318389760.

The previous prime is 1142230151. The next prime is 1142230157. The reversal of 1142230152 is 2510322411.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is not an unprimeable number, because it can be changed into a prime (1142230151) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 76027 + ... + 89802.

It is an arithmetic number, because the mean of its divisors is an integer number (52236450).

Almost surely, 2^1142230152 is an apocalyptic number.

1142230152 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1142230152 is an abundant number, since it is smaller than the sum of its proper divisors (2200902648).

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

1142230152 is a wasteful number, since it uses less digits than its factorization.

1142230152 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 165886 (or 165882 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 21.

The square root of 1142230152 is about 33796.8955970811. The cubic root of 1142230152 is about 1045.3246862390.

Adding to 1142230152 its reverse (2510322411), we get a palindrome (3652552563).

The spelling of 1142230152 in words is "one billion, one hundred forty-two million, two hundred thirty thousand, one hundred fifty-two".