152121345426 has 24 divisors (see below), whose sum is σ = 329608079580. Its totient is φ = 50705294976.

The previous prime is 152121345407. The next prime is 152121345503. The reversal of 152121345426 is 624543121251.

152121345426 is a `hidden beast` number, since 1 + 5 + 212 + 13 + 4 + 5 + 426 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 149460333201 + 2661012225 = 386601^2 + 51585^2 .

It is a super-2 number, since 2×152121345426² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 422430 + ... + 694758.

Almost surely, 2^152121345426 is an apocalyptic number.

152121345426 is an abundant number, since it is smaller than the sum of its proper divisors (177486734154).

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

152121345426 is a wasteful number, since it uses less digits than its factorization.

152121345426 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 303370 (or 303367 counting only the distinct ones).

The product of its digits is 57600, while the sum is 36.

Adding to 152121345426 its reverse (624543121251), we get a palindrome (776664466677).

The spelling of 152121345426 in words is "one hundred fifty-two billion, one hundred twenty-one million, three hundred forty-five thousand, four hundred twenty-six".