545252525142 has 64 divisors (see below), whose sum is σ = 1189759656960. Its totient is φ = 165576153600.

The previous prime is 545252525117. The next prime is 545252525149. The reversal of 545252525142 is 241525252545.

It is a junction number, because it is equal to n+sod(n) for n = 545252525094 and 545252525103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (545252525149) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 15578542 + ... + 15613502.

It is an arithmetic number, because the mean of its divisors is an integer number (18589994640).

Almost surely, 2^545252525142 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 545252525142, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (594879828480).

545252525142 is an abundant number, since it is smaller than the sum of its proper divisors (644507131818).

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

545252525142 is a wasteful number, since it uses less digits than its factorization.

545252525142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37589.

The product of its digits is 800000, while the sum is 42.

Adding to 545252525142 its reverse (241525252545), we get a palindrome (786777777687).

The spelling of 545252525142 in words is "five hundred forty-five billion, two hundred fifty-two million, five hundred twenty-five thousand, one hundred forty-two".