45542842 has 8 divisors (see below), whose sum is σ = 68919156. Its totient is φ = 22569792.

The previous prime is 45542839. The next prime is 45542843. The reversal of 45542842 is 24824554.

It can be written as a sum of positive squares in 2 ways, for example, as 45441081 + 101761 = 6741^2 + 319^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 45542798 and 45542807.

It is not an unprimeable number, because it can be changed into a prime (45542843) 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 3 ways as a sum of consecutive naturals, for example, 100533 + ... + 100984.

Almost surely, 2^45542842 is an apocalyptic number.

45542842 is a deficient number, since it is larger than the sum of its proper divisors (23376314).

45542842 is a wasteful number, since it uses less digits than its factorization.

45542842 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 201632.

The product of its digits is 51200, while the sum is 34.

The square root of 45542842 is about 6748.5436947537. The cubic root of 45542842 is about 357.1138628348.

It can be divided in two parts, 4554 and 2842, that added together give a square (7396 = 86²).

The spelling of 45542842 in words is "forty-five million, five hundred forty-two thousand, eight hundred forty-two".