445642534 has 8 divisors (see below), whose sum is σ = 670060440. Its totient is φ = 222289056.

The previous prime is 445642529. The next prime is 445642559. The reversal of 445642534 is 435246544.

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 = 445642493 and 445642502.

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, 265059 + ... + 266734.

It is an arithmetic number, because the mean of its divisors is an integer number (83757555).

Almost surely, 2^445642534 is an apocalyptic number.

445642534 is a deficient number, since it is larger than the sum of its proper divisors (224417906).

445642534 is a wasteful number, since it uses less digits than its factorization.

445642534 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 532214.

The product of its digits is 230400, while the sum is 37.

The square root of 445642534 is about 21110.2471326131. The cubic root of 445642534 is about 763.8279482000.

The spelling of 445642534 in words is "four hundred forty-five million, six hundred forty-two thousand, five hundred thirty-four".