451143212455 has 16 divisors (see below), whose sum is σ = 586928714400. Its totient is φ = 330915984768.

The previous prime is 451143212447. The next prime is 451143212477. The reversal of 451143212455 is 554212341154.

It is a cyclic number.

It is not a de Polignac number, because 451143212455 - 2³ = 451143212447 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 23281137 + ... + 23300506.

It is an arithmetic number, because the mean of its divisors is an integer number (36683044650).

Almost surely, 2^451143212455 is an apocalyptic number.

451143212455 is a deficient number, since it is larger than the sum of its proper divisors (135785501945).

451143212455 is a wasteful number, since it uses less digits than its factorization.

451143212455 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46581810.

The product of its digits is 96000, while the sum is 37.

The spelling of 451143212455 in words is "four hundred fifty-one billion, one hundred forty-three million, two hundred twelve thousand, four hundred fifty-five".