215148852 has 24 divisors (see below), whose sum is σ = 557793600. Its totient is φ = 71716248.

The previous prime is 215148841. The next prime is 215148863. The reversal of 215148852 is 258841512.

215148852 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (215148841) and next prime (215148863).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

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, 995952 + ... + 996167.

It is an arithmetic number, because the mean of its divisors is an integer number (23241400).

Almost surely, 2^215148852 is an apocalyptic number.

It is an amenable number.

215148852 is an abundant number, since it is smaller than the sum of its proper divisors (342644748).

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

215148852 is a wasteful number, since it uses less digits than its factorization.

215148852 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1992132 (or 1992124 counting only the distinct ones).

The product of its digits is 25600, while the sum is 36.

The square root of 215148852 is about 14667.9532314498. The cubic root of 215148852 is about 599.2108625585.

It can be divided in two parts, 215148 and 852, that added together give a cube (216000 = 60³).

The spelling of 215148852 in words is "two hundred fifteen million, one hundred forty-eight thousand, eight hundred fifty-two".