445023403115 has 32 divisors (see below), whose sum is σ = 554026189824. Its totient is φ = 342935873280.

The previous prime is 445023403103. The next prime is 445023403117. The reversal of 445023403115 is 511304320544.

It is a de Polignac number, because none of the positive numbers 2^k-445023403115 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (445023403117) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 18425327 + ... + 18449463.

It is an arithmetic number, because the mean of its divisors is an integer number (17313318432).

Almost surely, 2^445023403115 is an apocalyptic number.

445023403115 is a deficient number, since it is larger than the sum of its proper divisors (109002786709).

445023403115 is a wasteful number, since it uses less digits than its factorization.

445023403115 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25427.

The product of its (nonzero) digits is 28800, while the sum is 32.

Adding to 445023403115 its reverse (511304320544), we get a palindrome (956327723659).

The spelling of 445023403115 in words is "four hundred forty-five billion, twenty-three million, four hundred three thousand, one hundred fifteen".