445679541 has 12 divisors (see below), whose sum is σ = 661158732. Its totient is φ = 289089216.

The previous prime is 445679501. The next prime is 445679543. The reversal of 445679541 is 145976544.

445679541 is a `hidden beast` number, since 4 + 45 + 67 + 9 + 541 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 280428516 + 165251025 = 16746^2 + 12855^2 .

It is not a de Polignac number, because 445679541 - 2²⁶ = 378570677 is a prime.

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (445679543) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 668856 + ... + 669521.

It is an arithmetic number, because the mean of its divisors is an integer number (55096561).

Almost surely, 2^445679541 is an apocalyptic number.

It is an amenable number.

445679541 is a deficient number, since it is larger than the sum of its proper divisors (215479191).

445679541 is a wasteful number, since it uses less digits than its factorization.

445679541 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1338420 (or 1338417 counting only the distinct ones).

The product of its digits is 604800, while the sum is 45.

The square root of 445679541 is about 21111.1236318676. The cubic root of 445679541 is about 763.8490908546.

The spelling of 445679541 in words is "four hundred forty-five million, six hundred seventy-nine thousand, five hundred forty-one".