1142303442 has 32 divisors (see below), whose sum is σ = 2681549952. Its totient is φ = 317551104.

The previous prime is 1142303429. The next prime is 1142303447. The reversal of 1142303442 is 2443032411.

It is not an unprimeable number, because it can be changed into a prime (1142303447) 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, 365983 + ... + 369090.

It is an arithmetic number, because the mean of its divisors is an integer number (83798436).

Almost surely, 2^1142303442 is an apocalyptic number.

1142303442 is an abundant number, since it is smaller than the sum of its proper divisors (1539246510).

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

1142303442 is a wasteful number, since it uses less digits than its factorization.

1142303442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 735122.

The product of its (nonzero) digits is 2304, while the sum is 24.

The square root of 1142303442 is about 33797.9798508727. The cubic root of 1142303442 is about 1045.3470431483.

Adding to 1142303442 its reverse (2443032411), we get a palindrome (3585335853).

The spelling of 1142303442 in words is "one billion, one hundred forty-two million, three hundred three thousand, four hundred forty-two".