215345150 has 24 divisors (see below), whose sum is σ = 401875320. Its totient is φ = 85851360.

The previous prime is 215345149. The next prime is 215345173. The reversal of 215345150 is 51543512.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8336 + ... + 22364.

It is an arithmetic number, because the mean of its divisors is an integer number (16744805).

Almost surely, 2^215345150 is an apocalyptic number.

215345150 is a deficient number, since it is larger than the sum of its proper divisors (186530170).

215345150 is a wasteful number, since it uses less digits than its factorization.

215345150 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14348 (or 14343 counting only the distinct ones).

The product of its (nonzero) digits is 3000, while the sum is 26.

The square root of 215345150 is about 14674.6430961710. The cubic root of 215345150 is about 599.3930436210.

Adding to 215345150 its reverse (51543512), we get a palindrome (266888662).

The spelling of 215345150 in words is "two hundred fifteen million, three hundred forty-five thousand, one hundred fifty".