45549243 has 8 divisors (see below), whose sum is σ = 67480400. Its totient is φ = 30366144.

The previous prime is 45549211. The next prime is 45549263. The reversal of 45549243 is 34294554.

It is a happy number.

It is not a de Polignac number, because 45549243 - 2⁵ = 45549211 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 45549198 and 45549207.

It is not an unprimeable number, because it can be changed into a prime (45549263) 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, 843478 + ... + 843531.

It is an arithmetic number, because the mean of its divisors is an integer number (8435050).

Almost surely, 2^45549243 is an apocalyptic number.

45549243 is a deficient number, since it is larger than the sum of its proper divisors (21931157).

45549243 is a wasteful number, since it uses less digits than its factorization.

45549243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1687018 (or 1687012 counting only the distinct ones).

The product of its digits is 86400, while the sum is 36.

The square root of 45549243 is about 6749.0179285582. The cubic root of 45549243 is about 357.1305927141.

It can be divided in two parts, 455492 and 43, that added together give a triangular number (455535 = T₉₅₄).

The spelling of 45549243 in words is "forty-five million, five hundred forty-nine thousand, two hundred forty-three".