445193834 has 4 divisors (see below), whose sum is σ = 667790754. Its totient is φ = 222596916.

The previous prime is 445193803. The next prime is 445193843. The reversal of 445193834 is 438391544.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 322094809 + 123099025 = 17947^2 + 11095^2 .

It is a junction number, because it is equal to n+sod(n) for n = 445193791 and 445193800.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111298457 + ... + 111298460.

Almost surely, 2^445193834 is an apocalyptic number.

445193834 is a deficient number, since it is larger than the sum of its proper divisors (222596920).

445193834 is a wasteful number, since it uses less digits than its factorization.

445193834 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 222596919.

The product of its digits is 207360, while the sum is 41.

The square root of 445193834 is about 21099.6169159537. The cubic root of 445193834 is about 763.5715059729.

The spelling of 445193834 in words is "four hundred forty-five million, one hundred ninety-three thousand, eight hundred thirty-four".