151040543 has 4 divisors (see below), whose sum is σ = 152597760. Its totient is φ = 149483328.

The previous prime is 151040507. The next prime is 151040627. The reversal of 151040543 is 345040151.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 345040151 = 67 ⋅5149853.

It is a cyclic number.

It is not a de Polignac number, because 151040543 - 2¹⁰ = 151039519 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 (151040503) 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 3 ways as a sum of consecutive naturals, for example, 778463 + ... + 778656.

It is an arithmetic number, because the mean of its divisors is an integer number (38149440).

Almost surely, 2^151040543 is an apocalyptic number.

151040543 is a deficient number, since it is larger than the sum of its proper divisors (1557217).

151040543 is an equidigital number, since it uses as much as digits as its factorization.

151040543 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1557216.

The product of its (nonzero) digits is 1200, while the sum is 23.

The square root of 151040543 is about 12289.8552880008. The cubic root of 151040543 is about 532.5550567215. Note that the first 3 decimals are identical.

Adding to 151040543 its reverse (345040151), we get a palindrome (496080694).

The spelling of 151040543 in words is "one hundred fifty-one million, forty thousand, five hundred forty-three".