145125543 has 16 divisors (see below), whose sum is σ = 195958400. Its totient is φ = 95528160.

The previous prime is 145125523. The next prime is 145125557. The reversal of 145125543 is 345521541.

It is not a de Polignac number, because 145125543 - 2²⁰ = 144076967 is a prime.

It is a super-2 number, since 2×145125543² = 42122846462089698, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 145125543.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145125523) 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 15 ways as a sum of consecutive naturals, for example, 123348 + ... + 124518.

It is an arithmetic number, because the mean of its divisors is an integer number (12247400).

Almost surely, 2^145125543 is an apocalyptic number.

145125543 is a deficient number, since it is larger than the sum of its proper divisors (50832857).

145125543 is a wasteful number, since it uses less digits than its factorization.

145125543 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1662.

The product of its digits is 12000, while the sum is 30.

The square root of 145125543 is about 12046.8063402713. The cubic root of 145125543 is about 525.5103644733.

The spelling of 145125543 in words is "one hundred forty-five million, one hundred twenty-five thousand, five hundred forty-three".