451139416148 has 12 divisors (see below), whose sum is σ = 789668715360. Its totient is φ = 225519783192.

The previous prime is 451139416127. The next prime is 451139416163. The reversal of 451139416148 is 841614931154.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12460886 + ... + 12497037.

It is an arithmetic number, because the mean of its divisors is an integer number (65805726280).

Almost surely, 2^451139416148 is an apocalyptic number.

It is an amenable number.

451139416148 is a deficient number, since it is larger than the sum of its proper divisors (338529299212).

451139416148 is a wasteful number, since it uses less digits than its factorization.

451139416148 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24962446 (or 24962444 counting only the distinct ones).

The product of its digits is 414720, while the sum is 47.

The spelling of 451139416148 in words is "four hundred fifty-one billion, one hundred thirty-nine million, four hundred sixteen thousand, one hundred forty-eight".