215145095 has 16 divisors (see below), whose sum is σ = 282994560. Its totient is φ = 155719200.

The previous prime is 215145083. The next prime is 215145097. The reversal of 215145095 is 590541512.

It is not a de Polignac number, because 215145095 - 2⁶ = 215145031 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (215145097) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2336 + ... + 20874.

It is an arithmetic number, because the mean of its divisors is an integer number (17687160).

Almost surely, 2^215145095 is an apocalyptic number.

215145095 is a deficient number, since it is larger than the sum of its proper divisors (67849465).

215145095 is a wasteful number, since it uses less digits than its factorization.

215145095 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18766.

The product of its (nonzero) digits is 9000, while the sum is 32.

The square root of 215145095 is about 14667.8251625795. The cubic root of 215145095 is about 599.2073746658.

The spelling of 215145095 in words is "two hundred fifteen million, one hundred forty-five thousand, ninety-five".