1142403032 has 32 divisors (see below), whose sum is σ = 2218622400. Its totient is φ = 550819584.

The previous prime is 1142403029. The next prime is 1142403071. The reversal of 1142403032 is 2303042411.

It is a junction number, because it is equal to n+sod(n) for n = 1142402995 and 1142403013.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 218513 + ... + 223679.

It is an arithmetic number, because the mean of its divisors is an integer number (69331950).

Almost surely, 2^1142403032 is an apocalyptic number.

It is an amenable number.

1142403032 is a deficient number, since it is larger than the sum of its proper divisors (1076219368).

1142403032 is a wasteful number, since it uses less digits than its factorization.

1142403032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6155 (or 6151 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 1142403032 is about 33799.4531316706. The cubic root of 1142403032 is about 1045.3774212664.

Adding to 1142403032 its reverse (2303042411), we get a palindrome (3445445443).

The spelling of 1142403032 in words is "one billion, one hundred forty-two million, four hundred three thousand, thirty-two".