1143256654 has 8 divisors (see below), whose sum is σ = 1718959608. Its totient is φ = 570270120.

The previous prime is 1143256627. The next prime is 1143256663. The reversal of 1143256654 is 4566523411.

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

It is a pancake number, because a pancake can be divided into 1143256654 parts by 47817 straight cuts.

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 in 3 ways as a sum of consecutive naturals, for example, 678052 + ... + 679735.

It is an arithmetic number, because the mean of its divisors is an integer number (214869951).

Almost surely, 2^1143256654 is an apocalyptic number.

1143256654 is a deficient number, since it is larger than the sum of its proper divisors (575702954).

1143256654 is a wasteful number, since it uses less digits than its factorization.

1143256654 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1358210.

The product of its digits is 86400, while the sum is 37.

The square root of 1143256654 is about 33812.0785223269. The cubic root of 1143256654 is about 1045.6377307402.

It can be divided in two parts, 11432 and 56654, that added together give a palindrome (68086).

The spelling of 1143256654 in words is "one billion, one hundred forty-three million, two hundred fifty-six thousand, six hundred fifty-four".