45207525121242 has 64 divisors (see below), whose sum is σ = 99390602465280. Its totient is φ = 13594341801600.

The previous prime is 45207525121211. The next prime is 45207525121267. The reversal of 45207525121242 is 24212152570254.

It is a junction number, because it is equal to n+sod(n) for n = 45207525121194 and 45207525121203.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 18510142 + ... + 20809622.

It is an arithmetic number, because the mean of its divisors is an integer number (1552978163520).

Almost surely, 2^{45207525121242} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 45207525121242, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (49695301232640).

45207525121242 is an abundant number, since it is smaller than the sum of its proper divisors (54183077344038).

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

45207525121242 is a wasteful number, since it uses less digits than its factorization.

45207525121242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2301779.

The product of its (nonzero) digits is 448000, while the sum is 42.

Adding to 45207525121242 its reverse (24212152570254), we get a palindrome (69419677691496).

The spelling of 45207525121242 in words is "forty-five trillion, two hundred seven billion, five hundred twenty-five million, one hundred twenty-one thousand, two hundred forty-two".