215148 has 12 divisors (see below), whose sum is σ = 502040. Its totient is φ = 71712.

The previous prime is 215143. The next prime is 215153. The reversal of 215148 is 841512.

It is an interprime number because it is at equal distance from previous prime (215143) and next prime (215153).

It is a tau number, because it is divible by the number of its divisors (12).

It is not an unprimeable number, because it can be changed into a prime (215141) by changing a digit.

215148 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8953 + ... + 8976.

2²¹⁵¹⁴⁸ is an apocalyptic number.

It is an amenable number.

215148 is an abundant number, since it is smaller than the sum of its proper divisors (286892).

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

215148 is a wasteful number, since it uses less digits than its factorization.

215148 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17936 (or 17934 counting only the distinct ones).

The product of its digits is 320, while the sum is 21.

The square root of 215148 is about 463.8404898238. The cubic root of 215148 is about 59.9210071589.

It can be divided in two parts, 215 and 148, that added together give a palindrome (363).

The spelling of 215148 in words is "two hundred fifteen thousand, one hundred forty-eight".