1142486815 has 32 divisors (see below), whose sum is σ = 1485319680. Its totient is φ = 840917376.

The previous prime is 1142486809. The next prime is 1142486827. The reversal of 1142486815 is 5186842411.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1142486815 is a prime.

It is a super-2 number, since 2×1142486815² = 2610552244897688450, which contains 22 as substring.

It is a congruent number.

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, 517504 + ... + 519706.

It is an arithmetic number, because the mean of its divisors is an integer number (46416240).

Almost surely, 2^1142486815 is an apocalyptic number.

1142486815 is a deficient number, since it is larger than the sum of its proper divisors (342832865).

1142486815 is a wasteful number, since it uses less digits than its factorization.

1142486815 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2383.

The product of its digits is 61440, while the sum is 40.

The square root of 1142486815 is about 33800.6925224913. The cubic root of 1142486815 is about 1045.4029763794.

It can be divided in two parts, 114 and 2486815, that added together give a square (2486929 = 1577²).

The spelling of 1142486815 in words is "one billion, one hundred forty-two million, four hundred eighty-six thousand, eight hundred fifteen".