1142004454 has 4 divisors (see below), whose sum is σ = 1713006684. Its totient is φ = 571002226.

The previous prime is 1142004433. The next prime is 1142004547. The reversal of 1142004454 is 4544002411.

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

It is a congruent number.

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, 285501112 + ... + 285501115.

It is an arithmetic number, because the mean of its divisors is an integer number (428251671).

Almost surely, 2^1142004454 is an apocalyptic number.

1142004454 is a deficient number, since it is larger than the sum of its proper divisors (571002230).

1142004454 is an equidigital number, since it uses as much as digits as its factorization.

1142004454 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 571002229.

The product of its (nonzero) digits is 2560, while the sum is 25.

The square root of 1142004454 is about 33793.5563976330. The cubic root of 1142004454 is about 1045.2558316882.

Adding to 1142004454 its reverse (4544002411), we get a palindrome (5686006865).

The spelling of 1142004454 in words is "one billion, one hundred forty-two million, four thousand, four hundred fifty-four".