215303003145 has 48 divisors (see below), whose sum is σ = 383652951552. Its totient is φ = 111615546240.

The previous prime is 215303003107. The next prime is 215303003159. The reversal of 215303003145 is 541300303512.

215303003145 is a `hidden beast` number, since 2 + 15 + 30 + 300 + 314 + 5 = 666.

It is not a de Polignac number, because 215303003145 - 2¹⁴ = 215302986761 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1653904 + ... + 1779326.

It is an arithmetic number, because the mean of its divisors is an integer number (7992769824).

Almost surely, 2^215303003145 is an apocalyptic number.

It is an amenable number.

215303003145 is a deficient number, since it is larger than the sum of its proper divisors (168349948407).

215303003145 is a wasteful number, since it uses less digits than its factorization.

215303003145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 126502 (or 126499 counting only the distinct ones).

The product of its (nonzero) digits is 5400, while the sum is 27.

Adding to 215303003145 its reverse (541300303512), we get a palindrome (756603306657).

The spelling of 215303003145 in words is "two hundred fifteen billion, three hundred three million, three thousand, one hundred forty-five".