1454253140543 has 4 divisors (see below), whose sum is σ = 1662003589200. Its totient is φ = 1246502691888.

The previous prime is 1454253140519. The next prime is 1454253140567. The reversal of 1454253140543 is 3450413524541.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (1454253140519) and next prime (1454253140567).

It is a cyclic number.

It is not a de Polignac number, because 1454253140543 - 2⁸ = 1454253140287 is a prime.

It is a super-2 number, since 2×1454253140543² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1454253140543.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1454253140573) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 103875224318 + ... + 103875224331.

It is an arithmetic number, because the mean of its divisors is an integer number (415500897300).

Almost surely, 2^{1454253140543} is an apocalyptic number.

1454253140543 is a deficient number, since it is larger than the sum of its proper divisors (207750448657).

1454253140543 is an equidigital number, since it uses as much as digits as its factorization.

1454253140543 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 207750448656.

The product of its (nonzero) digits is 576000, while the sum is 41.

The spelling of 1454253140543 in words is "one trillion, four hundred fifty-four billion, two hundred fifty-three million, one hundred forty thousand, five hundred forty-three".