4445145233445 has 32 divisors (see below), whose sum is σ = 8208743466240. Its totient is φ = 2011946918400.

The previous prime is 4445145233387. The next prime is 4445145233513. The reversal of 4445145233445 is 5443325415444.

It is not a de Polignac number, because 4445145233445 - 2¹⁹ = 4445144709157 is a prime.

It is a super-2 number, since 2×4445145233445² (a number of 26 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 4445145233394 and 4445145233403.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 209567200 + ... + 209588409.

It is an arithmetic number, because the mean of its divisors is an integer number (256523233320).

Almost surely, 2^{4445145233445} is an apocalyptic number.

It is an amenable number.

4445145233445 is a deficient number, since it is larger than the sum of its proper divisors (3763598232795).

4445145233445 is a wasteful number, since it uses less digits than its factorization.

4445145233445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 419155725.

The product of its digits is 9216000, while the sum is 48.

The spelling of 4445145233445 in words is "four trillion, four hundred forty-five billion, one hundred forty-five million, two hundred thirty-three thousand, four hundred forty-five".