445631542 has 8 divisors (see below), whose sum is σ = 684751032. Its totient is φ = 217381200.

The previous prime is 445631531. The next prime is 445631569. The reversal of 445631542 is 245136544.

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

It is a junction number, because it is equal to n+sod(n) for n = 445631498 and 445631507.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2717184 + ... + 2717347.

It is an arithmetic number, because the mean of its divisors is an integer number (85593879).

Almost surely, 2^445631542 is an apocalyptic number.

445631542 is a deficient number, since it is larger than the sum of its proper divisors (239119490).

445631542 is a wasteful number, since it uses less digits than its factorization.

445631542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5434574.

The product of its digits is 57600, while the sum is 34.

The square root of 445631542 is about 21109.9867835108. The cubic root of 445631542 is about 763.8216680800.

The spelling of 445631542 in words is "four hundred forty-five million, six hundred thirty-one thousand, five hundred forty-two".