155230543 has 8 divisors (see below), whose sum is σ = 169912736. Its totient is φ = 140940000.

The previous prime is 155230541. The next prime is 155230549. The reversal of 155230543 is 345032551.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 155230543 - 2¹ = 155230541 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (155230541) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 97083 + ... + 98668.

It is an arithmetic number, because the mean of its divisors is an integer number (21239092).

Almost surely, 2^155230543 is an apocalyptic number.

155230543 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

155230543 is a deficient number, since it is larger than the sum of its proper divisors (14682193).

155230543 is a wasteful number, since it uses less digits than its factorization.

155230543 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 195825.

The product of its (nonzero) digits is 9000, while the sum is 28.

The square root of 155230543 is about 12459.1549873978. The cubic root of 155230543 is about 537.4347271017.

The spelling of 155230543 in words is "one hundred fifty-five million, two hundred thirty thousand, five hundred forty-three".