445243654 has 8 divisors (see below), whose sum is σ = 667987848. Its totient is φ = 222581040.

The previous prime is 445243649. The next prime is 445243693. The reversal of 445243654 is 456342544.

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

It is a super-2 number, since 2×445243654² = 396483822854543432, which contains 22 as substring.

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, 4167 + ... + 30130.

It is an arithmetic number, because the mean of its divisors is an integer number (83498481).

Almost surely, 2^445243654 is an apocalyptic number.

445243654 is a deficient number, since it is larger than the sum of its proper divisors (222744194).

445243654 is a wasteful number, since it uses less digits than its factorization.

445243654 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40790.

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

The square root of 445243654 is about 21100.7974730814. The cubic root of 445243654 is about 763.5999877342.

The spelling of 445243654 in words is "four hundred forty-five million, two hundred forty-three thousand, six hundred fifty-four".