215153114 has 32 divisors (see below), whose sum is σ = 357388416. Its totient is φ = 96333120.

The previous prime is 215153111. The next prime is 215153143. The reversal of 215153114 is 411351512.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 215153114.

It is not an unprimeable number, because it can be changed into a prime (215153111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 576632 + ... + 577004.

It is an arithmetic number, because the mean of its divisors is an integer number (11168388).

Almost surely, 2^215153114 is an apocalyptic number.

215153114 is a deficient number, since it is larger than the sum of its proper divisors (142235302).

215153114 is a wasteful number, since it uses less digits than its factorization.

215153114 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 710.

The product of its digits is 600, while the sum is 23.

The square root of 215153114 is about 14668.0985134407. The cubic root of 215153114 is about 599.2148192298.

The spelling of 215153114 in words is "two hundred fifteen million, one hundred fifty-three thousand, one hundred fourteen".