1142353450 has 48 divisors (see below), whose sum is σ = 2431094400. Its totient is φ = 391216320.

The previous prime is 1142353411. The next prime is 1142353453. The reversal of 1142353450 is 543532411.

It is not an unprimeable number, because it can be changed into a prime (1142353453) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 488484 + ... + 490816.

It is an arithmetic number, because the mean of its divisors is an integer number (50647800).

Almost surely, 2^1142353450 is an apocalyptic number.

1142353450 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1142353450 is an abundant number, since it is smaller than the sum of its proper divisors (1288740950).

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

1142353450 is a wasteful number, since it uses less digits than its factorization.

1142353450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3751 (or 3746 counting only the distinct ones).

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

The square root of 1142353450 is about 33798.7196503063. The cubic root of 1142353450 is about 1045.3622973998.

Adding to 1142353450 its reverse (543532411), we get a palindrome (1685885861).

The spelling of 1142353450 in words is "one billion, one hundred forty-two million, three hundred fifty-three thousand, four hundred fifty".