151198543 has 4 divisors (see below), whose sum is σ = 152302320. Its totient is φ = 150094768.

The previous prime is 151198519. The next prime is 151198583. The reversal of 151198543 is 345891151.

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 151198543 - 2²¹ = 149101391 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 (151198583) 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 3 ways as a sum of consecutive naturals, for example, 551683 + ... + 551956.

It is an arithmetic number, because the mean of its divisors is an integer number (38075580).

Almost surely, 2^151198543 is an apocalyptic number.

151198543 is a deficient number, since it is larger than the sum of its proper divisors (1103777).

151198543 is a wasteful number, since it uses less digits than its factorization.

151198543 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1103776.

The product of its digits is 21600, while the sum is 37.

The square root of 151198543 is about 12296.2816737419. The cubic root of 151198543 is about 532.7406898283.

The spelling of 151198543 in words is "one hundred fifty-one million, one hundred ninety-eight thousand, five hundred forty-three".