1002145524 has 24 divisors (see below), whose sum is σ = 2338891968. Its totient is φ = 333969600.

The previous prime is 1002145513. The next prime is 1002145561. The reversal of 1002145524 is 4255412001.

It is a junction number, because it is equal to n+sod(n) for n = 1002145494 and 1002145503.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 67024 + ... + 80600.

It is an arithmetic number, because the mean of its divisors is an integer number (97453832).

Almost surely, 2^1002145524 is an apocalyptic number.

It is an amenable number.

1002145524 is an abundant number, since it is smaller than the sum of its proper divisors (1336746444).

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

1002145524 is a wasteful number, since it uses less digits than its factorization.

1002145524 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19735 (or 19733 counting only the distinct ones).

The product of its (nonzero) digits is 1600, while the sum is 24.

The square root of 1002145524 is about 31656.6821382153. The cubic root of 1002145524 is about 1000.7146638006.

Adding to 1002145524 its reverse (4255412001), we get a palindrome (5257557525).

The spelling of 1002145524 in words is "one billion, two million, one hundred forty-five thousand, five hundred twenty-four".