445745575173502 has 4 divisors (see below), whose sum is σ = 668618362760256. Its totient is φ = 222872787586750.

The previous prime is 445745575173499. The next prime is 445745575173557. The reversal of 445745575173502 is 205371575547544.

It is a semiprime because it is the product of two primes.

It is a super-2 number, since 2×445745575173502² (a number of 30 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111436393793374 + ... + 111436393793377.

It is an arithmetic number, because the mean of its divisors is an integer number (167154590690064).

Almost surely, 2^{445745575173502} is an apocalyptic number.

445745575173502 is a deficient number, since it is larger than the sum of its proper divisors (222872787586754).

445745575173502 is a wasteful number, since it uses less digits than its factorization.

445745575173502 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 222872787586753.

The product of its (nonzero) digits is 411600000, while the sum is 64.

The spelling of 445745575173502 in words is "four hundred forty-five trillion, seven hundred forty-five billion, five hundred seventy-five million, one hundred seventy-three thousand, five hundred two".