445072033481 has 2 divisors, whose sum is σ = 445072033482. Its totient is φ = 445072033480.

The previous prime is 445072033429. The next prime is 445072033489. The reversal of 445072033481 is 184330270544.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 408825966025 + 36246067456 = 639395^2 + 190384^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-445072033481 is a prime.

It is a super-2 number, since 2×445072033481² (a number of 24 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (445072033489) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 222536016740 + 222536016741.

It is an arithmetic number, because the mean of its divisors is an integer number (222536016741).

Almost surely, 2^445072033481 is an apocalyptic number.

It is an amenable number.

445072033481 is a deficient number, since it is larger than the sum of its proper divisors (1).

445072033481 is an equidigital number, since it uses as much as digits as its factorization.

445072033481 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 322560, while the sum is 41.

The spelling of 445072033481 in words is "four hundred forty-five billion, seventy-two million, thirty-three thousand, four hundred eighty-one".