451745230 has 16 divisors (see below), whose sum is σ = 817637184. Its totient is φ = 179699040.

The previous prime is 451745191. The next prime is 451745249. The reversal of 451745230 is 32547154.

It is a junction number, because it is equal to n+sod(n) for n = 451745192 and 451745201.

It is a congruent number.

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 in 7 ways as a sum of consecutive naturals, for example, 122982 + ... + 126601.

It is an arithmetic number, because the mean of its divisors is an integer number (51102324).

Almost surely, 2^451745230 is an apocalyptic number.

451745230 is a deficient number, since it is larger than the sum of its proper divisors (365891954).

451745230 is a wasteful number, since it uses less digits than its factorization.

451745230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 249771.

The product of its (nonzero) digits is 16800, while the sum is 31.

The square root of 451745230 is about 21254.2990945361. The cubic root of 451745230 is about 767.2988109142.

The spelling of 451745230 in words is "four hundred fifty-one million, seven hundred forty-five thousand, two hundred thirty".