1142441530 has 16 divisors (see below), whose sum is σ = 2058090120. Its totient is φ = 456599872.

The previous prime is 1142441527. The next prime is 1142441537. The reversal of 1142441530 is 351442411.

It can be written as a sum of positive squares in 4 ways, for example, as 1074725089 + 67716441 = 32783^2 + 8229^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1142441495 and 1142441504.

It is not an unprimeable number, because it can be changed into a prime (1142441537) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 34189 + ... + 58768.

Almost surely, 2^1142441530 is an apocalyptic number.

1142441530 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1142441530 is a deficient number, since it is larger than the sum of its proper divisors (915648590).

1142441530 is a wasteful number, since it uses less digits than its factorization.

1142441530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 94193.

The product of its (nonzero) digits is 1920, while the sum is 25.

The square root of 1142441530 is about 33800.0226331285. The cubic root of 1142441530 is about 1045.3891639080.

Adding to 1142441530 its reverse (351442411), we get a palindrome (1493883941).

The spelling of 1142441530 in words is "one billion, one hundred forty-two million, four hundred forty-one thousand, five hundred thirty".