1143555562 has 8 divisors (see below), whose sum is σ = 1715485536. Its totient is φ = 571727052.

The previous prime is 1143555551. The next prime is 1143555619. The reversal of 1143555562 is 2655553411.

It is a happy number.

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

It is a super-2 number, since 2×1143555562² = 2615438646762271688, 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 in 3 ways as a sum of consecutive naturals, for example, 16893 + ... + 50719.

It is an arithmetic number, because the mean of its divisors is an integer number (214435692).

Almost surely, 2^1143555562 is an apocalyptic number.

1143555562 is a deficient number, since it is larger than the sum of its proper divisors (571929974).

1143555562 is a wasteful number, since it uses less digits than its factorization.

1143555562 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50732.

The product of its digits is 90000, while the sum is 37.

The square root of 1143555562 is about 33816.4983698786. The cubic root of 1143555562 is about 1045.7288512092.

The spelling of 1143555562 in words is "one billion, one hundred forty-three million, five hundred fifty-five thousand, five hundred sixty-two".