152243252244 has 120 divisors (see below), whose sum is σ = 401532750080. Its totient is φ = 50297780736.

The previous prime is 152243252237. The next prime is 152243252263. The reversal of 152243252244 is 442252342251.

152243252244 is a `hidden beast` number, since 1 + 52 + 2 + 43 + 2 + 522 + 44 = 666.

It is a super-2 number, since 2×152243252244² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 152243252199 and 152243252208.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 30306717 + ... + 30311739.

Almost surely, 2^152243252244 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 152243252244, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (200766375040).

152243252244 is an abundant number, since it is smaller than the sum of its proper divisors (249289497836).

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

152243252244 is a wasteful number, since it uses less digits than its factorization.

152243252244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5851 (or 5840 counting only the distinct ones).

The product of its digits is 153600, while the sum is 36.

Adding to 152243252244 its reverse (442252342251), we get a palindrome (594495594495).

The spelling of 152243252244 in words is "one hundred fifty-two billion, two hundred forty-three million, two hundred fifty-two thousand, two hundred forty-four".