1142566215 has 32 divisors (see below), whose sum is σ = 2161313280. Its totient is φ = 504303744.

The previous prime is 1142566199. The next prime is 1142566241. The reversal of 1142566215 is 5126652411.

It is not a de Polignac number, because 1142566215 - 2⁴ = 1142566199 is a prime.

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 31 ways as a sum of consecutive naturals, for example, 184569 + ... + 190658.

It is an arithmetic number, because the mean of its divisors is an integer number (67541040).

Almost surely, 2^1142566215 is an apocalyptic number.

1142566215 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1142566215 is a deficient number, since it is larger than the sum of its proper divisors (1018747065).

1142566215 is a wasteful number, since it uses less digits than its factorization.

1142566215 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 375271.

The product of its digits is 14400, while the sum is 33.

The square root of 1142566215 is about 33801.8670342335. The cubic root of 1142566215 is about 1045.4271934564.

The spelling of 1142566215 in words is "one billion, one hundred forty-two million, five hundred sixty-six thousand, two hundred fifteen".