215032152 has 48 divisors (see below), whose sum is σ = 562002840. Its totient is φ = 68556928.

The previous prime is 215032141. The next prime is 215032171. The reversal of 215032152 is 251230512.

It is a super-2 number, since 2×215032152² = 92477652787502208, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4228 + ... + 21164.

Almost surely, 2^215032152 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 215032152, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (281001420).

215032152 is an abundant number, since it is smaller than the sum of its proper divisors (346970688).

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

215032152 is a wasteful number, since it uses less digits than its factorization.

215032152 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16992 (or 16965 counting only the distinct ones).

The product of its (nonzero) digits is 600, while the sum is 21.

The square root of 215032152 is about 14663.9746317293. The cubic root of 215032152 is about 599.1025026112.

Adding to 215032152 its reverse (251230512), we get a palindrome (466262664).

The spelling of 215032152 in words is "two hundred fifteen million, thirty-two thousand, one hundred fifty-two".