215452162 has 4 divisors (see below), whose sum is σ = 323178246. Its totient is φ = 107726080.

The previous prime is 215452157. The next prime is 215452177. The reversal of 215452162 is 261254512.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 182493081 + 32959081 = 13509^2 + 5741^2 .

It is a super-2 number, since 2×215452162² = 92839268220948488, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 215452162.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 53863039 + ... + 53863042.

Almost surely, 2^215452162 is an apocalyptic number.

215452162 is a deficient number, since it is larger than the sum of its proper divisors (107726084).

215452162 is a wasteful number, since it uses less digits than its factorization.

215452162 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 107726083.

The product of its digits is 4800, while the sum is 28.

The square root of 215452162 is about 14678.2887967229. The cubic root of 215452162 is about 599.4923131372.

The spelling of 215452162 in words is "two hundred fifteen million, four hundred fifty-two thousand, one hundred sixty-two".