3145502320 has 40 divisors (see below), whose sum is σ = 7318500336. Its totient is φ = 1257305088.

The previous prime is 3145502263. The next prime is 3145502363. The reversal of 3145502320 is 232055413.

It is a tau number, because it is divible by the number of its divisors (40).

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, 105384 + ... + 131896.

Almost surely, 2^3145502320 is an apocalyptic number.

It is an amenable number.

3145502320 is an abundant number, since it is smaller than the sum of its proper divisors (4172998016).

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

3145502320 is a wasteful number, since it uses less digits than its factorization.

3145502320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28009 (or 28003 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 25.

The square root of 3145502320 is about 56084.7779704975. Note that the first 3 decimals coincide. The cubic root of 3145502320 is about 1465.1991901459.

Adding to 3145502320 its reverse (232055413), we get a palindrome (3377557733).

The spelling of 3145502320 in words is "three billion, one hundred forty-five million, five hundred two thousand, three hundred twenty".