451322154152 has 8 divisors (see below), whose sum is σ = 846229039050. Its totient is φ = 225661077072.

The previous prime is 451322154131. The next prime is 451322154163. The reversal of 451322154152 is 251451223154.

It can be written as a sum of positive squares in only one way, i.e., 451199697796 + 122456356 = 671714^2 + 11066^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28207634627 + ... + 28207634642.

Almost surely, 2^451322154152 is an apocalyptic number.

It is an amenable number.

451322154152 is a deficient number, since it is larger than the sum of its proper divisors (394906884898).

451322154152 is a wasteful number, since it uses less digits than its factorization.

451322154152 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56415269275 (or 56415269271 counting only the distinct ones).

The product of its digits is 48000, while the sum is 35.

The spelling of 451322154152 in words is "four hundred fifty-one billion, three hundred twenty-two million, one hundred fifty-four thousand, one hundred fifty-two".