450145640246 has 4 divisors (see below), whose sum is σ = 675218460372. Its totient is φ = 225072820122.

The previous prime is 450145640173. The next prime is 450145640261. The reversal of 450145640246 is 642046541054.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 112536410060 + ... + 112536410063.

It is an arithmetic number, because the mean of its divisors is an integer number (168804615093).

Almost surely, 2^450145640246 is an apocalyptic number.

450145640246 is a deficient number, since it is larger than the sum of its proper divisors (225072820126).

450145640246 is a wasteful number, since it uses less digits than its factorization.

450145640246 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 225072820125.

The product of its (nonzero) digits is 460800, while the sum is 41.

The spelling of 450145640246 in words is "four hundred fifty billion, one hundred forty-five million, six hundred forty thousand, two hundred forty-six".