451045401354194 has 4 divisors (see below), whose sum is σ = 676568102031294. Its totient is φ = 225522700677096.

The previous prime is 451045401354169. The next prime is 451045401354227. The reversal of 451045401354194 is 491453104540154.

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., 347838352680625 + 103207048673569 = 18650425^2 + 10159087^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 112761350338547 + ... + 112761350338550.

Almost surely, 2^{451045401354194} is an apocalyptic number.

451045401354194 is a deficient number, since it is larger than the sum of its proper divisors (225522700677100).

451045401354194 is a wasteful number, since it uses less digits than its factorization.

451045401354194 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 225522700677099.

The product of its (nonzero) digits is 3456000, while the sum is 50.

The spelling of 451045401354194 in words is "four hundred fifty-one trillion, forty-five billion, four hundred one million, three hundred fifty-four thousand, one hundred ninety-four".