215142301 has 16 divisors (see below), whose sum is σ = 247541760. Its totient is φ = 184924080.

The previous prime is 215142251. The next prime is 215142313. The reversal of 215142301 is 103241512.

It is not a de Polignac number, because 215142301 - 2⁷ = 215142173 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (215142331) 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, 197380 + ... + 198466.

It is an arithmetic number, because the mean of its divisors is an integer number (15471360).

Almost surely, 2^215142301 is an apocalyptic number.

It is an amenable number.

215142301 is a deficient number, since it is larger than the sum of its proper divisors (32399459).

215142301 is a wasteful number, since it uses less digits than its factorization.

215142301 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2064.

The product of its (nonzero) digits is 240, while the sum is 19.

The square root of 215142301 is about 14667.7299197933. The cubic root of 215142301 is about 599.2047807688.

Adding to 215142301 its reverse (103241512), we get a palindrome (318383813).

The spelling of 215142301 in words is "two hundred fifteen million, one hundred forty-two thousand, three hundred one".