245022215425542 has 96 divisors (see below), whose sum is σ = 556318066437120. Its totient is φ = 77841226774080.

The previous prime is 245022215425529. The next prime is 245022215425549. The reversal of 245022215425542 is 245524512220542.

245022215425542 is a `hidden beast` number, since 2 + 4 + 5 + 0 + 2 + 2 + 215 + 425 + 5 + 4 + 2 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (245022215425549) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 156954828 + ... + 158508240.

It is an arithmetic number, because the mean of its divisors is an integer number (5794979858720).

Almost surely, 2^{245022215425542} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 245022215425542, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (278159033218560).

245022215425542 is an abundant number, since it is smaller than the sum of its proper divisors (311295851011578).

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

245022215425542 is a wasteful number, since it uses less digits than its factorization.

245022215425542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1557738 (or 1557735 counting only the distinct ones).

The product of its (nonzero) digits is 2560000, while the sum is 45.

The spelling of 245022215425542 in words is "two hundred forty-five trillion, twenty-two billion, two hundred fifteen million, four hundred twenty-five thousand, five hundred forty-two".