1142782555 has 32 divisors (see below), whose sum is σ = 1484827200. Its totient is φ = 842429952.

The previous prime is 1142782547. The next prime is 1142782591. The reversal of 1142782555 is 5552872411.

It is a cyclic number.

It is not a de Polignac number, because 1142782555 - 2³ = 1142782547 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 282336 + ... + 286354.

It is an arithmetic number, because the mean of its divisors is an integer number (46400850).

Almost surely, 2^1142782555 is an apocalyptic number.

1142782555 is a deficient number, since it is larger than the sum of its proper divisors (342044645).

1142782555 is a wasteful number, since it uses less digits than its factorization.

1142782555 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4143.

The product of its digits is 112000, while the sum is 40.

The square root of 1142782555 is about 33805.0670018564. The cubic root of 1142782555 is about 1045.4931716736.

The spelling of 1142782555 in words is "one billion, one hundred forty-two million, seven hundred eighty-two thousand, five hundred fifty-five".