4445145455464 has 32 divisors (see below), whose sum is σ = 9527271811200. Its totient is φ = 1904670313920.

The previous prime is 4445145455419. The next prime is 4445145455489. The reversal of 4445145455464 is 4645545415444.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7892524 + ... + 8436955.

It is an arithmetic number, because the mean of its divisors is an integer number (297727244100).

Almost surely, 2^{4445145455464} is an apocalyptic number.

It is an amenable number.

4445145455464 is an abundant number, since it is smaller than the sum of its proper divisors (5082126355736).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

4445145455464 is a wasteful number, since it uses less digits than its factorization.

4445145455464 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16334353 (or 16334349 counting only the distinct ones).

The product of its digits is 61440000, while the sum is 55.

The spelling of 4445145455464 in words is "four trillion, four hundred forty-five billion, one hundred forty-five million, four hundred fifty-five thousand, four hundred sixty-four".