451456147 has 2 divisors, whose sum is σ = 451456148. Its totient is φ = 451456146.

The previous prime is 451456073. The next prime is 451456151. The reversal of 451456147 is 741654154.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 451456147 - 2¹¹ = 451454099 is a prime.

It is not a weakly prime, because it can be changed into another prime (451456157) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 225728073 + 225728074.

It is an arithmetic number, because the mean of its divisors is an integer number (225728074).

Almost surely, 2^451456147 is an apocalyptic number.

451456147 is a deficient number, since it is larger than the sum of its proper divisors (1).

451456147 is an equidigital number, since it uses as much as digits as its factorization.

451456147 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 67200, while the sum is 37.

The square root of 451456147 is about 21247.4974291092. The cubic root of 451456147 is about 767.1351047964.

The spelling of 451456147 in words is "four hundred fifty-one million, four hundred fifty-six thousand, one hundred forty-seven".