2002531445 has 8 divisors (see below), whose sum is σ = 2407434144. Its totient is φ = 1599094224.

The previous prime is 2002531351. The next prime is 2002531451. The reversal of 2002531445 is 5441352002.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2002531445 - 2⁸ = 2002531189 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 363359 + ... + 368828.

It is an arithmetic number, because the mean of its divisors is an integer number (300929268).

Almost surely, 2^2002531445 is an apocalyptic number.

It is an amenable number.

2002531445 is a deficient number, since it is larger than the sum of its proper divisors (404902699).

2002531445 is an equidigital number, since it uses as much as digits as its factorization.

2002531445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 732739.

The product of its (nonzero) digits is 4800, while the sum is 26.

The square root of 2002531445 is about 44749.6530154145. The cubic root of 2002531445 is about 1260.4523959194.

Adding to 2002531445 its reverse (5441352002), we get a palindrome (7443883447).

The spelling of 2002531445 in words is "two billion, two million, five hundred thirty-one thousand, four hundred forty-five".