145566543 has 16 divisors (see below), whose sum is σ = 207187200. Its totient is φ = 90639360.

The previous prime is 145566539. The next prime is 145566601. The reversal of 145566543 is 345665541.

It is not a de Polignac number, because 145566543 - 2² = 145566539 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145566503) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13938 + ... + 22031.

It is an arithmetic number, because the mean of its divisors is an integer number (12949200).

Almost surely, 2^145566543 is an apocalyptic number.

145566543 is a deficient number, since it is larger than the sum of its proper divisors (61620657).

145566543 is a wasteful number, since it uses less digits than its factorization.

145566543 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36062.

The product of its digits is 216000, while the sum is 39.

The square root of 145566543 is about 12065.0960626097. The cubic root of 145566543 is about 526.0421241209.

The spelling of 145566543 in words is "one hundred forty-five million, five hundred sixty-six thousand, five hundred forty-three".