1158229285 has 16 divisors (see below), whose sum is σ = 1497093120. Its totient is φ = 857704320.

The previous prime is 1158229283. The next prime is 1158229307. The reversal of 1158229285 is 5829228511.

It is not a de Polignac number, because 1158229285 - 2¹ = 1158229283 is a prime.

It is a super-2 number, since 2×1158229285² = 2682990153263222450, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1158229283) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 158880 + ... + 166009.

It is an arithmetic number, because the mean of its divisors is an integer number (93568320).

Almost surely, 2^1158229285 is an apocalyptic number.

It is an amenable number.

1158229285 is a deficient number, since it is larger than the sum of its proper divisors (338863835).

1158229285 is a wasteful number, since it uses less digits than its factorization.

1158229285 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 324948.

The product of its digits is 115200, while the sum is 43.

The square root of 1158229285 is about 34032.7678128007. The cubic root of 1158229285 is about 1050.1826696550.

The spelling of 1158229285 in words is "one billion, one hundred fifty-eight million, two hundred twenty-nine thousand, two hundred eighty-five".