151220543 has 2 divisors, whose sum is σ = 151220544. Its totient is φ = 151220542.

The previous prime is 151220539. The next prime is 151220567. The reversal of 151220543 is 345022151.

151220543 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 151220543 - 2² = 151220539 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (151220143) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 75610271 + 75610272.

It is an arithmetic number, because the mean of its divisors is an integer number (75610272).

Almost surely, 2^151220543 is an apocalyptic number.

151220543 is a deficient number, since it is larger than the sum of its proper divisors (1).

151220543 is an equidigital number, since it uses as much as digits as its factorization.

151220543 is an evil number, because the sum of its binary digits is even.

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

The square root of 151220543 is about 12297.1762205801. The cubic root of 151220543 is about 532.7665272174.

Adding to 151220543 its reverse (345022151), we get a palindrome (496242694).

The spelling of 151220543 in words is "one hundred fifty-one million, two hundred twenty thousand, five hundred forty-three".