45273543 has 8 divisors (see below), whose sum is σ = 68988288. Its totient is φ = 25870584.

The previous prime is 45273511. The next prime is 45273559. The reversal of 45273543 is 34537254.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 45273543 - 2⁵ = 45273511 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45273593) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1077921 + ... + 1077962.

It is an arithmetic number, because the mean of its divisors is an integer number (8623536).

Almost surely, 2^45273543 is an apocalyptic number.

45273543 is a deficient number, since it is larger than the sum of its proper divisors (23714745).

45273543 is a wasteful number, since it uses less digits than its factorization.

45273543 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2155893.

The product of its digits is 50400, while the sum is 33.

The square root of 45273543 is about 6728.5617333870. The cubic root of 45273543 is about 356.4085885488.

The spelling of 45273543 in words is "forty-five million, two hundred seventy-three thousand, five hundred forty-three".