1142533450 has 24 divisors (see below), whose sum is σ = 2250120492. Its totient is φ = 430129920.

The previous prime is 1142533411. The next prime is 1142533453. The reversal of 1142533450 is 543352411.

It can be written as a sum of positive squares in 6 ways, for example, as 334780209 + 807753241 = 18297^2 + 28421^2 .

It is not an unprimeable number, because it can be changed into a prime (1142533453) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 671229 + ... + 672928.

Almost surely, 2^1142533450 is an apocalyptic number.

1142533450 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1142533450 is a deficient number, since it is larger than the sum of its proper divisors (1107587042).

1142533450 is a wasteful number, since it uses less digits than its factorization.

1142533450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1344186 (or 1344181 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 28.

The square root of 1142533450 is about 33801.3823681813. The cubic root of 1142533450 is about 1045.4172002356.

Adding to 1142533450 its reverse (543352411), we get a palindrome (1685885861).

The spelling of 1142533450 in words is "one billion, one hundred forty-two million, five hundred thirty-three thousand, four hundred fifty".