103215222145 has 64 divisors (see below), whose sum is σ = 150183936000. Its totient is φ = 67995426240.

The previous prime is 103215222091. The next prime is 103215222191. The reversal of 103215222145 is 541222512301.

It is a happy number.

It is not a de Polignac number, because 103215222145 - 2²⁵ = 103181667713 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 7382952 + ... + 7396918.

It is an arithmetic number, because the mean of its divisors is an integer number (2346624000).

Almost surely, 2^103215222145 is an apocalyptic number.

It is an amenable number.

103215222145 is a deficient number, since it is larger than the sum of its proper divisors (46968713855).

103215222145 is a wasteful number, since it uses less digits than its factorization.

103215222145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14163 (or 14149 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 28.

Adding to 103215222145 its reverse (541222512301), we get a palindrome (644437734446).

The spelling of 103215222145 in words is "one hundred three billion, two hundred fifteen million, two hundred twenty-two thousand, one hundred forty-five".