151243543 has 8 divisors (see below), whose sum is σ = 174698640. Its totient is φ = 129406080.

The previous prime is 151243507. The next prime is 151243567. The reversal of 151243543 is 345342151.

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 151243543 - 2¹⁷ = 151112471 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 (151243643) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 404208 + ... + 404581.

It is an arithmetic number, because the mean of its divisors is an integer number (21837330).

Almost surely, 2^151243543 is an apocalyptic number.

151243543 is a deficient number, since it is larger than the sum of its proper divisors (23455097).

151243543 is a wasteful number, since it uses less digits than its factorization.

151243543 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 808817.

The product of its digits is 7200, while the sum is 28.

The square root of 151243543 is about 12298.1113590665. Note that the first 3 decimals coincide. The cubic root of 151243543 is about 532.7935363540.

Adding to 151243543 its reverse (345342151), we get a palindrome (496585694).

The spelling of 151243543 in words is "one hundred fifty-one million, two hundred forty-three thousand, five hundred forty-three".