215430141 has 8 divisors (see below), whose sum is σ = 288433024. Its totient is φ = 143023680.

The previous prime is 215430139. The next prime is 215430157. The reversal of 215430141 is 141034512.

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

It is not a de Polignac number, because 215430141 - 2¹ = 215430139 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (215430161) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 148261 + ... + 149706.

It is an arithmetic number, because the mean of its divisors is an integer number (36054128).

Almost surely, 2^215430141 is an apocalyptic number.

It is an amenable number.

215430141 is a deficient number, since it is larger than the sum of its proper divisors (73002883).

215430141 is a wasteful number, since it uses less digits than its factorization.

215430141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 298211.

The product of its (nonzero) digits is 480, while the sum is 21.

The square root of 215430141 is about 14677.5386560554. The cubic root of 215430141 is about 599.4718880772.

Adding to 215430141 its reverse (141034512), we get a palindrome (356464653).

The spelling of 215430141 in words is "two hundred fifteen million, four hundred thirty thousand, one hundred forty-one".