215452115 has 8 divisors (see below), whose sum is σ = 272150160. Its totient is φ = 163289952.

The previous prime is 215452103. The next prime is 215452123. The reversal of 215452115 is 511254512.

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

It is not a de Polignac number, because 215452115 - 2⁴ = 215452099 is a prime.

It is a super-2 number, since 2×215452115² = 92839227715946450, which contains 22 as substring.

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, 1133864 + ... + 1134053.

It is an arithmetic number, because the mean of its divisors is an integer number (34018770).

Almost surely, 2^215452115 is an apocalyptic number.

215452115 is a deficient number, since it is larger than the sum of its proper divisors (56698045).

215452115 is a wasteful number, since it uses less digits than its factorization.

215452115 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2267941.

The product of its digits is 2000, while the sum is 26.

The square root of 215452115 is about 14678.2871957187. The cubic root of 215452115 is about 599.4922695449.

The spelling of 215452115 in words is "two hundred fifteen million, four hundred fifty-two thousand, one hundred fifteen".