1142542052 has 12 divisors (see below), whose sum is σ = 2117063340. Its totient is φ = 537666816.

The previous prime is 1142542031. The next prime is 1142542081. The reversal of 1142542052 is 2502452411.

It can be written as a sum of positive squares in 2 ways, for example, as 576768256 + 565773796 = 24016^2 + 23786^2 .

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, 8400977 + ... + 8401112.

It is an arithmetic number, because the mean of its divisors is an integer number (176421945).

Almost surely, 2^1142542052 is an apocalyptic number.

It is an amenable number.

1142542052 is a deficient number, since it is larger than the sum of its proper divisors (974521288).

1142542052 is a wasteful number, since it uses less digits than its factorization.

1142542052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16802110 (or 16802108 counting only the distinct ones).

The product of its (nonzero) digits is 3200, while the sum is 26.

The square root of 1142542052 is about 33801.5096112585. The cubic root of 1142542052 is about 1045.4198238367.

Adding to 1142542052 its reverse (2502452411), we get a palindrome (3644994463).

The spelling of 1142542052 in words is "one billion, one hundred forty-two million, five hundred forty-two thousand, fifty-two".