451892852146 has 4 divisors (see below), whose sum is σ = 677839278222. Its totient is φ = 225946426072.

The previous prime is 451892852141. The next prime is 451892852183. The reversal of 451892852146 is 641258298154.

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., 243764375625 + 208128476521 = 493725^2 + 456211^2 .

It is not an unprimeable number, because it can be changed into a prime (451892852141) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 112973213035 + ... + 112973213038.

Almost surely, 2^451892852146 is an apocalyptic number.

451892852146 is a deficient number, since it is larger than the sum of its proper divisors (225946426076).

451892852146 is a wasteful number, since it uses less digits than its factorization.

451892852146 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 225946426075.

The product of its digits is 5529600, while the sum is 55.

The spelling of 451892852146 in words is "four hundred fifty-one billion, eight hundred ninety-two million, eight hundred fifty-two thousand, one hundred forty-six".