445745622299999 has 16 divisors (see below), whose sum is σ = 509537106117120. Its totient is φ = 381982528620000.

The previous prime is 445745622299987. The next prime is 445745622300023. The reversal of 445745622299999 is 999992226547544.

It is a de Polignac number, because none of the positive numbers 2^k-445745622299999 is a prime.

It is a super-2 number, since 2×445745622299999² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 445745622299999.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (445745622299909) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1006583237 + ... + 1007025969.

It is an arithmetic number, because the mean of its divisors is an integer number (31846069132320).

Almost surely, 2^{445745622299999} is an apocalyptic number.

445745622299999 is a deficient number, since it is larger than the sum of its proper divisors (63791483817121).

445745622299999 is a wasteful number, since it uses less digits than its factorization.

445745622299999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 474470.

The product of its digits is 31744742400, while the sum is 86.

The spelling of 445745622299999 in words is "four hundred forty-five trillion, seven hundred forty-five billion, six hundred twenty-two million, two hundred ninety-nine thousand, nine hundred ninety-nine".