1142451802 has 4 divisors (see below), whose sum is σ = 1713677706. Its totient is φ = 571225900.

The previous prime is 1142451797. The next prime is 1142451811. The reversal of 1142451802 is 2081542411.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 1108823401 + 33628401 = 33299^2 + 5799^2 .

It is a super-2 number, since 2×1142451802² = 2610392239786094408, which contains 22 as substring.

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, 285612949 + ... + 285612952.

Almost surely, 2^1142451802 is an apocalyptic number.

1142451802 is a deficient number, since it is larger than the sum of its proper divisors (571225904).

1142451802 is an equidigital number, since it uses as much as digits as its factorization.

1142451802 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 571225903.

The product of its (nonzero) digits is 2560, while the sum is 28.

The square root of 1142451802 is about 33800.1745853479. The cubic root of 1142451802 is about 1045.3922970239.

The spelling of 1142451802 in words is "one billion, one hundred forty-two million, four hundred fifty-one thousand, eight hundred two".