154545143 has 2 divisors, whose sum is σ = 154545144. Its totient is φ = 154545142.

The previous prime is 154545133. The next prime is 154545173. The reversal of 154545143 is 341545451.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-154545143 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (154545103) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 77272571 + 77272572.

It is an arithmetic number, because the mean of its divisors is an integer number (77272572).

Almost surely, 2^154545143 is an apocalyptic number.

154545143 is a deficient number, since it is larger than the sum of its proper divisors (1).

154545143 is an equidigital number, since it uses as much as digits as its factorization.

154545143 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 24000, while the sum is 32.

The square root of 154545143 is about 12431.6186798019. The cubic root of 154545143 is about 536.6425693350.

The spelling of 154545143 in words is "one hundred fifty-four million, five hundred forty-five thousand, one hundred forty-three".