155545304343 has 48 divisors (see below), whose sum is σ = 245590947840. Its totient is φ = 86985138240.

The previous prime is 155545304329. The next prime is 155545304357. The reversal of 155545304343 is 343403545551.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (155545304329) and next prime (155545304357).

It is not a de Polignac number, because 155545304343 - 2¹⁴ = 155545287959 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 155545304295 and 155545304304.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (155545304393) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 17545530 + ... + 17554392.

It is an arithmetic number, because the mean of its divisors is an integer number (5116478080).

Almost surely, 2^155545304343 is an apocalyptic number.

155545304343 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

155545304343 is a deficient number, since it is larger than the sum of its proper divisors (90045643497).

155545304343 is a wasteful number, since it uses less digits than its factorization.

155545304343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12620 (or 12609 counting only the distinct ones).

The product of its (nonzero) digits is 1080000, while the sum is 42.

Adding to 155545304343 its reverse (343403545551), we get a palindrome (498948849894).

The spelling of 155545304343 in words is "one hundred fifty-five billion, five hundred forty-five million, three hundred four thousand, three hundred forty-three".