445708047 has 16 divisors (see below), whose sum is σ = 620223840. Its totient is φ = 284347392.

The previous prime is 445708027. The next prime is 445708073. The reversal of 445708047 is 740807544.

It is not a de Polignac number, because 445708047 - 2²³ = 437319439 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 445707996 and 445708014.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (445708027) 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, 12838 + ... + 32499.

It is an arithmetic number, because the mean of its divisors is an integer number (38763990).

Almost surely, 2^445708047 is an apocalyptic number.

445708047 is a deficient number, since it is larger than the sum of its proper divisors (174515793).

445708047 is a wasteful number, since it uses less digits than its factorization.

445708047 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45482.

The product of its (nonzero) digits is 125440, while the sum is 39.

The square root of 445708047 is about 21111.7987627772. The cubic root of 445708047 is about 763.8653759623.

The spelling of 445708047 in words is "four hundred forty-five million, seven hundred eight thousand, forty-seven".