1142389032 has 16 divisors (see below), whose sum is σ = 2855972640. Its totient is φ = 380796336.

The previous prime is 1142389007. The next prime is 1142389043. The reversal of 1142389032 is 2309832411.

It is a junction number, because it is equal to n+sod(n) for n = 1142388984 and 1142389002.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23799748 + ... + 23799795.

It is an arithmetic number, because the mean of its divisors is an integer number (178498290).

Almost surely, 2^1142389032 is an apocalyptic number.

1142389032 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1142389032 is an abundant number, since it is smaller than the sum of its proper divisors (1713583608).

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

1142389032 is a wasteful number, since it uses less digits than its factorization.

1142389032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47599552 (or 47599548 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 33.

The square root of 1142389032 is about 33799.2460270936. The cubic root of 1142389032 is about 1045.3731509277.

The spelling of 1142389032 in words is "one billion, one hundred forty-two million, three hundred eighty-nine thousand, thirty-two".