15202145002 has 24 divisors (see below), whose sum is σ = 25346355300. Its totient is φ = 6832415040.

The previous prime is 15202144981. The next prime is 15202145117. The reversal of 15202145002 is 20054120251.

15202145002 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 15175529721 + 26615281 = 123189^2 + 5159^2 .

It is a super-2 number, since 2×15202145002² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (22).

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, 331377 + ... + 374452.

Almost surely, 2^15202145002 is an apocalyptic number.

15202145002 is a deficient number, since it is larger than the sum of its proper divisors (10144210298).

15202145002 is a wasteful number, since it uses less digits than its factorization.

15202145002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 705942 (or 705931 counting only the distinct ones).

The product of its (nonzero) digits is 800, while the sum is 22.

Adding to 15202145002 its reverse (20054120251), we get a palindrome (35256265253).

The spelling of 15202145002 in words is "fifteen billion, two hundred two million, one hundred forty-five thousand, two".