1142432530 has 16 divisors (see below), whose sum is σ = 2057324184. Its totient is φ = 456762880.

The previous prime is 1142432527. The next prime is 1142432537. The reversal of 1142432530 is 352342411.

1142432530 is digitally balanced in base 6, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 963916209 + 178516321 = 31047^2 + 13361^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1142432495 and 1142432504.

It is not an unprimeable number, because it can be changed into a prime (1142432537) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2401 + ... + 47860.

Almost surely, 2^1142432530 is an apocalyptic number.

1142432530 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1142432530 is a deficient number, since it is larger than the sum of its proper divisors (914891654).

1142432530 is a wasteful number, since it uses less digits than its factorization.

1142432530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52541.

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

The square root of 1142432530 is about 33799.8894968608. The cubic root of 1142432530 is about 1045.3864187559.

Adding to 1142432530 its reverse (352342411), we get a palindrome (1494774941).

The spelling of 1142432530 in words is "one billion, one hundred forty-two million, four hundred thirty-two thousand, five hundred thirty".