4352221345145 has 16 divisors (see below), whose sum is σ = 5249799559872. Its totient is φ = 3463729999680.

The previous prime is 4352221345139. The next prime is 4352221345189. The reversal of 4352221345145 is 5415431222534.

It is not a de Polignac number, because 4352221345145 - 2²⁶ = 4352154236281 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1813571 + ... + 3463160.

It is an arithmetic number, because the mean of its divisors is an integer number (328112472492).

Almost surely, 2^{4352221345145} is an apocalyptic number.

It is an amenable number.

4352221345145 is a deficient number, since it is larger than the sum of its proper divisors (897578214727).

4352221345145 is a wasteful number, since it uses less digits than its factorization.

4352221345145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5277592.

The product of its digits is 576000, while the sum is 41.

Adding to 4352221345145 its reverse (5415431222534), we get a palindrome (9767652567679).

The spelling of 4352221345145 in words is "four trillion, three hundred fifty-two billion, two hundred twenty-one million, three hundred forty-five thousand, one hundred forty-five".