445044146548506 has 32 divisors (see below), whose sum is σ = 891804805452288. Its totient is φ = 148062188817840.

The previous prime is 445044146548487. The next prime is 445044146548541. The reversal of 445044146548506 is 605845641440544.

It is a super-2 number, since 2×445044146548506² (a number of 30 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 445044146548506.

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, 20269260 + ... + 36068423.

It is an arithmetic number, because the mean of its divisors is an integer number (27868900170384).

Almost surely, 2^{445044146548506} is an apocalyptic number.

445044146548506 is an abundant number, since it is smaller than the sum of its proper divisors (446760658903782).

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

445044146548506 is a wasteful number, since it uses less digits than its factorization.

445044146548506 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56340226.

The product of its (nonzero) digits is 147456000, while the sum is 60.

The spelling of 445044146548506 in words is "four hundred forty-five trillion, forty-four billion, one hundred forty-six million, five hundred forty-eight thousand, five hundred six".