454340142533 has 2 divisors, whose sum is σ = 454340142534. Its totient is φ = 454340142532.

The previous prime is 454340142523. The next prime is 454340142547. The reversal of 454340142533 is 335241043454.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 267411025924 + 186929116609 = 517118^2 + 432353^2 .

It is a cyclic number.

It is not a de Polignac number, because 454340142533 - 2³⁶ = 385620665797 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (454340142523) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 227170071266 + 227170071267.

It is an arithmetic number, because the mean of its divisors is an integer number (227170071267).

Almost surely, 2^454340142533 is an apocalyptic number.

It is an amenable number.

454340142533 is a deficient number, since it is larger than the sum of its proper divisors (1).

454340142533 is an equidigital number, since it uses as much as digits as its factorization.

454340142533 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 345600, while the sum is 38.

Adding to 454340142533 its reverse (335241043454), we get a palindrome (789581185987).

The spelling of 454340142533 in words is "four hundred fifty-four billion, three hundred forty million, one hundred forty-two thousand, five hundred thirty-three".