151187543 has 4 divisors (see below), whose sum is σ = 162817368. Its totient is φ = 139557720.

The previous prime is 151187537. The next prime is 151187563. The reversal of 151187543 is 345781151.

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 151187543 - 2⁶ = 151187479 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 (151187563) 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, 5814893 + ... + 5814918.

It is an arithmetic number, because the mean of its divisors is an integer number (40704342).

Almost surely, 2^151187543 is an apocalyptic number.

151187543 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

151187543 is a deficient number, since it is larger than the sum of its proper divisors (11629825).

151187543 is a wasteful number, since it uses less digits than its factorization.

151187543 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11629824.

The product of its digits is 16800, while the sum is 35.

The square root of 151187543 is about 12295.8343759177. The cubic root of 151187543 is about 532.7277701938.

The spelling of 151187543 in words is "one hundred fifty-one million, one hundred eighty-seven thousand, five hundred forty-three".