1545421350343 has 4 divisors (see below), whose sum is σ = 1664299915768. Its totient is φ = 1426542784920.

The previous prime is 1545421350307. The next prime is 1545421350349. The reversal of 1545421350343 is 3430531245451.

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 1545421350343 - 2⁹ = 1545421349831 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1545421350296 and 1545421350305.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1545421350349) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 59439282693 + ... + 59439282718.

It is an arithmetic number, because the mean of its divisors is an integer number (416074978942).

Almost surely, 2^{1545421350343} is an apocalyptic number.

1545421350343 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

1545421350343 is a deficient number, since it is larger than the sum of its proper divisors (118878565425).

1545421350343 is a wasteful number, since it uses less digits than its factorization.

1545421350343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 118878565424.

The product of its (nonzero) digits is 432000, while the sum is 40.

Adding to 1545421350343 its reverse (3430531245451), we get a palindrome (4975952595794).

The spelling of 1545421350343 in words is "one trillion, five hundred forty-five billion, four hundred twenty-one million, three hundred fifty thousand, three hundred forty-three".