1142603536 has 10 divisors (see below), whose sum is σ = 2213794382. Its totient is φ = 571301760.

The previous prime is 1142603503. The next prime is 1142603543. The reversal of 1142603536 is 6353062411.

It can be written as a sum of positive squares in only one way, i.e., 838449936 + 304153600 = 28956^2 + 17440^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1142603498 and 1142603507.

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 as a sum of consecutive naturals, namely, 35706345 + ... + 35706376.

Almost surely, 2^1142603536 is an apocalyptic number.

1142603536 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1142603536 is a deficient number, since it is larger than the sum of its proper divisors (1071190846).

1142603536 is an equidigital number, since it uses as much as digits as its factorization.

1142603536 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71412729 (or 71412723 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 31.

The square root of 1142603536 is about 33802.4190850300. The cubic root of 1142603536 is about 1045.4385760099.

Adding to 1142603536 its reverse (6353062411), we get a palindrome (7495665947).

The spelling of 1142603536 in words is "one billion, one hundred forty-two million, six hundred three thousand, five hundred thirty-six".