45543432212242 has 4 divisors (see below), whose sum is σ = 68315148318366. Its totient is φ = 22771716106120.

The previous prime is 45543432212227. The next prime is 45543432212261. The reversal of 45543432212242 is 24221223434554.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 28158209957761 + 17385222254481 = 5306431^2 + 4169559^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11385858053059 + ... + 11385858053062.

Almost surely, 2^{45543432212242} is an apocalyptic number.

45543432212242 is a deficient number, since it is larger than the sum of its proper divisors (22771716106124).

45543432212242 is a wasteful number, since it uses less digits than its factorization.

45543432212242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22771716106123.

The product of its digits is 1843200, while the sum is 43.

Adding to 45543432212242 its reverse (24221223434554), we get a palindrome (69764655646796).

The spelling of 45543432212242 in words is "forty-five trillion, five hundred forty-three billion, four hundred thirty-two million, two hundred twelve thousand, two hundred forty-two".