1142533042 has 64 divisors (see below), whose sum is σ = 2192762880. Its totient is φ = 434647296.

The previous prime is 1142533013. The next prime is 1142533079. The reversal of 1142533042 is 2403352411.

It is a junction number, because it is equal to n+sod(n) for n = 1142532998 and 1142533016.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1387843 + ... + 1388665.

It is an arithmetic number, because the mean of its divisors is an integer number (34261920).

Almost surely, 2^1142533042 is an apocalyptic number.

1142533042 is a deficient number, since it is larger than the sum of its proper divisors (1050229838).

1142533042 is a wasteful number, since it uses less digits than its factorization.

1142533042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1175.

The product of its (nonzero) digits is 2880, while the sum is 25.

The square root of 1142533042 is about 33801.3763329247. The cubic root of 1142533042 is about 1045.4170757957.

Adding to 1142533042 its reverse (2403352411), we get a palindrome (3545885453).

The spelling of 1142533042 in words is "one billion, one hundred forty-two million, five hundred thirty-three thousand, forty-two".