1140142454 has 8 divisors (see below), whose sum is σ = 1865687688. Its totient is φ = 518246560.

The previous prime is 1140142447. The next prime is 1140142477. The reversal of 1140142454 is 4542410411.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25912307 + ... + 25912350.

It is an arithmetic number, because the mean of its divisors is an integer number (233210961).

Almost surely, 2^1140142454 is an apocalyptic number.

1140142454 is a deficient number, since it is larger than the sum of its proper divisors (725545234).

1140142454 is a wasteful number, since it uses less digits than its factorization.

1140142454 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51824670.

The product of its (nonzero) digits is 2560, while the sum is 26.

The square root of 1140142454 is about 33765.9955280457. The cubic root of 1140142454 is about 1044.6874377895.

Adding to 1140142454 its reverse (4542410411), we get a palindrome (5682552865).

The spelling of 1140142454 in words is "one billion, one hundred forty million, one hundred forty-two thousand, four hundred fifty-four".