1142505232 has 30 divisors (see below), whose sum is σ = 2433138974. Its totient is φ = 519319680.

The previous prime is 1142505211. The next prime is 1142505241. The reversal of 1142505232 is 2325052411.

It can be written as a sum of positive squares in only one way, i.e., 734626816 + 407878416 = 27104^2 + 20196^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1142505197 and 1142505206.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 293133 + ... + 297004.

Almost surely, 2^1142505232 is an apocalyptic number.

It is an amenable number.

1142505232 is an abundant number, since it is smaller than the sum of its proper divisors (1290633742).

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

1142505232 is a wasteful number, since it uses less digits than its factorization.

1142505232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 590167 (or 590150 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 25.

The square root of 1142505232 is about 33800.9649566399. The cubic root of 1142505232 is about 1045.4085936822.

Adding to 1142505232 its reverse (2325052411), we get a palindrome (3467557643).

The spelling of 1142505232 in words is "one billion, one hundred forty-two million, five hundred five thousand, two hundred thirty-two".