1146142215 has 12 divisors (see below), whose sum is σ = 1986646584. Its totient is φ = 611275824.

The previous prime is 1146142213. The next prime is 1146142219. The reversal of 1146142215 is 5122416411.

1146142215 is a `hidden beast` number, since 1 + 14 + 614 + 22 + 15 = 666.

It is not a de Polignac number, because 1146142215 - 2¹ = 1146142213 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1146142211) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 12734869 + ... + 12734958.

It is an arithmetic number, because the mean of its divisors is an integer number (165553882).

Almost surely, 2^1146142215 is an apocalyptic number.

1146142215 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1146142215 is a deficient number, since it is larger than the sum of its proper divisors (840504369).

1146142215 is a wasteful number, since it uses less digits than its factorization.

1146142215 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25469838 (or 25469835 counting only the distinct ones).

The product of its digits is 1920, while the sum is 27.

The square root of 1146142215 is about 33854.7221964677. The cubic root of 1146142215 is about 1046.5167157873.

Adding to 1146142215 its reverse (5122416411), we get a palindrome (6268558626).

The spelling of 1146142215 in words is "one billion, one hundred forty-six million, one hundred forty-two thousand, two hundred fifteen".