451043345125 has 8 divisors (see below), whose sum is σ = 562902094872. Its totient is φ = 360834676000.

The previous prime is 451043345107. The next prime is 451043345149. The reversal of 451043345125 is 521543340154.

It can be written as a sum of positive squares in 4 ways, for example, as 38743229889 + 412300115236 = 196833^2 + 642106^2 .

It is a de Polignac number, because none of the positive numbers 2^k-451043345125 is a prime.

It is a super-2 number, since 2×451043345125² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1804173256 + ... + 1804173505.

It is an arithmetic number, because the mean of its divisors is an integer number (70362761859).

Almost surely, 2^451043345125 is an apocalyptic number.

It is an amenable number.

451043345125 is a deficient number, since it is larger than the sum of its proper divisors (111858749747).

451043345125 is an equidigital number, since it uses as much as digits as its factorization.

451043345125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3608346776 (or 3608346766 counting only the distinct ones).

The product of its (nonzero) digits is 144000, while the sum is 37.

Adding to 451043345125 its reverse (521543340154), we get a palindrome (972586685279).

The spelling of 451043345125 in words is "four hundred fifty-one billion, forty-three million, three hundred forty-five thousand, one hundred twenty-five".