615112230 has 128 divisors (see below), whose sum is σ = 1609113600. Its totient is φ = 150036480.

The previous prime is 615112177. The next prime is 615112237. The reversal of 615112230 is 32211516.

615112230 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 615112197 and 615112206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (615112237) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 3187014 + ... + 3187206.

It is an arithmetic number, because the mean of its divisors is an integer number (12571200).

Almost surely, 2^615112230 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 615112230, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (804556800).

615112230 is an abundant number, since it is smaller than the sum of its proper divisors (994001370).

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

615112230 is a wasteful number, since it uses less digits than its factorization.

615112230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 406.

The product of its (nonzero) digits is 360, while the sum is 21.

The square root of 615112230 is about 24801.4562072472. The cubic root of 615112230 is about 850.4552255909.

Adding to 615112230 its reverse (32211516), we get a palindrome (647323746).

It can be divided in two parts, 6151 and 12230, that added together give a palindrome (18381).

The spelling of 615112230 in words is "six hundred fifteen million, one hundred twelve thousand, two hundred thirty".