215132045 has 8 divisors (see below), whose sum is σ = 259601760. Its totient is φ = 171143440.

The previous prime is 215132039. The next prime is 215132051. The reversal of 215132045 is 540231512.

It is an interprime number because it is at equal distance from previous prime (215132039) and next prime (215132051).

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

It is not a de Polignac number, because 215132045 - 2⁶ = 215131981 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 215132045.

It is a congruent number.

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, 119291 + ... + 121080.

It is an arithmetic number, because the mean of its divisors is an integer number (32450220).

Almost surely, 2^215132045 is an apocalyptic number.

It is an amenable number.

215132045 is a deficient number, since it is larger than the sum of its proper divisors (44469715).

215132045 is a wasteful number, since it uses less digits than its factorization.

215132045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 240555.

The product of its (nonzero) digits is 1200, while the sum is 23.

The square root of 215132045 is about 14667.3803046079. The cubic root of 215132045 is about 599.1952590990.

Adding to 215132045 its reverse (540231512), we get a palindrome (755363557).

The spelling of 215132045 in words is "two hundred fifteen million, one hundred thirty-two thousand, forty-five".