1158323200 has 66 divisors (see below), whose sum is σ = 2871302336. Its totient is φ = 463319040.

The previous prime is 1158323197. The next prime is 1158323209. The reversal of 1158323200 is 23238511.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1158323209) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2977 + ... + 48223.

Almost surely, 2^1158323200 is an apocalyptic number.

1158323200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1158323200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1435651168).

1158323200 is an abundant number, since it is smaller than the sum of its proper divisors (1712979136).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1158323200 is an equidigital number, since it uses as much as digits as its factorization.

1158323200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45277 (or 45254 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 25.

The square root of 1158323200 is about 34034.1475580042. The cubic root of 1158323200 is about 1050.2110535686.

The spelling of 1158323200 in words is "one billion, one hundred fifty-eight million, three hundred twenty-three thousand, two hundred".