116213145 has 8 divisors (see below), whose sum is σ = 185941056. Its totient is φ = 61980336.

The previous prime is 116213137. The next prime is 116213171. The reversal of 116213145 is 541312611.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 116213145 - 2³ = 116213137 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3873757 + ... + 3873786.

It is an arithmetic number, because the mean of its divisors is an integer number (23242632).

Almost surely, 2^116213145 is an apocalyptic number.

116213145 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

116213145 is a deficient number, since it is larger than the sum of its proper divisors (69727911).

116213145 is an equidigital number, since it uses as much as digits as its factorization.

116213145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7747551.

The product of its digits is 720, while the sum is 24.

The square root of 116213145 is about 10780.2200812414. The cubic root of 116213145 is about 487.9984225180.

Adding to 116213145 its reverse (541312611), we get a palindrome (657525756).

The spelling of 116213145 in words is "one hundred sixteen million, two hundred thirteen thousand, one hundred forty-five".