1545302052443 has 4 divisors (see below), whose sum is σ = 1549080297480. Its totient is φ = 1541523807408.

The previous prime is 1545302052439. The next prime is 1545302052451. The reversal of 1545302052443 is 3442502035451.

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

It is a cyclic number.

It is not a de Polignac number, because 1545302052443 - 2² = 1545302052439 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1545302052397 and 1545302052406.

It is not an unprimeable number, because it can be changed into a prime (1545302052403) 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, 1889121905 + ... + 1889122722.

It is an arithmetic number, because the mean of its divisors is an integer number (387270074370).

Almost surely, 2^{1545302052443} is an apocalyptic number.

1545302052443 is a deficient number, since it is larger than the sum of its proper divisors (3778245037).

1545302052443 is an equidigital number, since it uses as much as digits as its factorization.

1545302052443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3778245036.

The product of its (nonzero) digits is 288000, while the sum is 38.

Adding to 1545302052443 its reverse (3442502035451), we get a palindrome (4987804087894).

The spelling of 1545302052443 in words is "one trillion, five hundred forty-five billion, three hundred two million, fifty-two thousand, four hundred forty-three".