45342223727242 has 12 divisors (see below), whose sum is σ = 73647576409590. Its totient is φ = 20927180181648.

The previous prime is 45342223727239. The next prime is 45342223727249. The reversal of 45342223727242 is 24272732224354.

45342223727242 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 3 ways, for example, as 6919693341961 + 38422530385281 = 2630531^2 + 6198591^2 .

It is not an unprimeable number, because it can be changed into a prime (45342223727249) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 67074295117 + ... + 67074295792.

Almost surely, 2^{45342223727242} is an apocalyptic number.

45342223727242 is a deficient number, since it is larger than the sum of its proper divisors (28305352682348).

45342223727242 is a wasteful number, since it uses less digits than its factorization.

45342223727242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 134148590937 (or 134148590924 counting only the distinct ones).

The product of its digits is 9031680, while the sum is 49.

The spelling of 45342223727242 in words is "forty-five trillion, three hundred forty-two billion, two hundred twenty-three million, seven hundred twenty-seven thousand, two hundred forty-two".