3215244655145 has 16 divisors (see below), whose sum is σ = 4044314558592. Its totient is φ = 2451099719040.

The previous prime is 3215244655037. The next prime is 3215244655201. The reversal of 3215244655145 is 5415564425123.

It is a happy number.

It is not a de Polignac number, because 3215244655145 - 2²² = 3215240460841 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 3215244655145.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 182364677 + ... + 182382306.

It is an arithmetic number, because the mean of its divisors is an integer number (252769659912).

Almost surely, 2^{3215244655145} is an apocalyptic number.

It is an amenable number.

3215244655145 is a deficient number, since it is larger than the sum of its proper divisors (829069903447).

3215244655145 is a wasteful number, since it uses less digits than its factorization.

3215244655145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 364747072.

The product of its digits is 2880000, while the sum is 47.

The spelling of 3215244655145 in words is "three trillion, two hundred fifteen billion, two hundred forty-four million, six hundred fifty-five thousand, one hundred forty-five".