45554251242 has 16 divisors (see below), whose sum is σ = 91667452320. Its totient is φ = 15091592112.

The previous prime is 45554251217. The next prime is 45554251243. The reversal of 45554251242 is 24215245554.

It is a self number, because there is not a number n which added to its sum of digits gives 45554251242.

It is not an unprimeable number, because it can be changed into a prime (45554251243) 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, 23288517 + ... + 23290472.

It is an arithmetic number, because the mean of its divisors is an integer number (5729215770).

Almost surely, 2^45554251242 is an apocalyptic number.

45554251242 is an abundant number, since it is smaller than the sum of its proper divisors (46113201078).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

45554251242 is a wasteful number, since it uses less digits than its factorization.

45554251242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46579157.

The product of its digits is 320000, while the sum is 39.

Adding to 45554251242 its reverse (24215245554), we get a palindrome (69769496796).

The spelling of 45554251242 in words is "forty-five billion, five hundred fifty-four million, two hundred fifty-one thousand, two hundred forty-two".