127545143 has 16 divisors (see below), whose sum is σ = 145746432. Its totient is φ = 110484000.

The previous prime is 127545133. The next prime is 127545163. The reversal of 127545143 is 341545721.

It is not a de Polignac number, because 127545143 - 2⁴ = 127545127 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 (127545113) 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 in 15 ways as a sum of consecutive naturals, for example, 77873 + ... + 79493.

It is an arithmetic number, because the mean of its divisors is an integer number (9109152).

Almost surely, 2^127545143 is an apocalyptic number.

127545143 is a deficient number, since it is larger than the sum of its proper divisors (18201289).

127545143 is a wasteful number, since it uses less digits than its factorization.

127545143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1966.

The product of its digits is 16800, while the sum is 32.

The square root of 127545143 is about 11293.5885793666. The cubic root of 127545143 is about 503.3707490375.

The spelling of 127545143 in words is "one hundred twenty-seven million, five hundred forty-five thousand, one hundred forty-three".