450154195447 has 12 divisors (see below), whose sum is σ = 494818282728. Its totient is φ = 409213970000.

The previous prime is 450154195391. The next prime is 450154195481. The reversal of 450154195447 is 744591451054.

It is not a de Polignac number, because 450154195447 - 2⁷ = 450154195319 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 450154195447.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (450154195247) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3506568 + ... + 3632674.

It is an arithmetic number, because the mean of its divisors is an integer number (41234856894).

Almost surely, 2^450154195447 is an apocalyptic number.

450154195447 is a deficient number, since it is larger than the sum of its proper divisors (44664087281).

450154195447 is a wasteful number, since it uses less digits than its factorization.

450154195447 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 155630 (or 155619 counting only the distinct ones).

The product of its (nonzero) digits is 2016000, while the sum is 49.

The spelling of 450154195447 in words is "four hundred fifty billion, one hundred fifty-four million, one hundred ninety-five thousand, four hundred forty-seven".