445541487 has 8 divisors (see below), whose sum is σ = 619883904. Its totient is φ = 284113368.

The previous prime is 445541483. The next prime is 445541501. The reversal of 445541487 is 784145544.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 445541487 - 2² = 445541483 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (445541483) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3228493 + ... + 3228630.

It is an arithmetic number, because the mean of its divisors is an integer number (77485488).

Almost surely, 2^445541487 is an apocalyptic number.

445541487 is a deficient number, since it is larger than the sum of its proper divisors (174342417).

445541487 is a wasteful number, since it uses less digits than its factorization.

445541487 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6457149.

The product of its digits is 358400, while the sum is 42.

The square root of 445541487 is about 21107.8536805617. The cubic root of 445541487 is about 763.7702125703.

The spelling of 445541487 in words is "four hundred forty-five million, five hundred forty-one thousand, four hundred eighty-seven".