454340142547 has 2 divisors, whose sum is σ = 454340142548. Its totient is φ = 454340142546.

The previous prime is 454340142533. The next prime is 454340142583. The reversal of 454340142547 is 745241043454.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 454340142547 - 2¹⁵ = 454340109779 is a prime.

It is not a weakly prime, because it can be changed into another prime (454340142247) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 227170071273 + 227170071274.

It is an arithmetic number, because the mean of its divisors is an integer number (227170071274).

Almost surely, 2^454340142547 is an apocalyptic number.

454340142547 is a deficient number, since it is larger than the sum of its proper divisors (1).

454340142547 is an equidigital number, since it uses as much as digits as its factorization.

454340142547 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1075200, while the sum is 43.

The spelling of 454340142547 in words is "four hundred fifty-four billion, three hundred forty million, one hundred forty-two thousand, five hundred forty-seven".