2145325004 has 12 divisors (see below), whose sum is σ = 3754644264. Its totient is φ = 1072569504.

The previous prime is 2145325003. The next prime is 2145325051. The reversal of 2145325004 is 4005235412.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (2145325003) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 72119 + ... + 97425.

It is an arithmetic number, because the mean of its divisors is an integer number (312887022).

Almost surely, 2^2145325004 is an apocalyptic number.

It is an amenable number.

2145325004 is a deficient number, since it is larger than the sum of its proper divisors (1609319260).

2145325004 is a wasteful number, since it uses less digits than its factorization.

2145325004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46504 (or 46502 counting only the distinct ones).

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

The square root of 2145325004 is about 46317.6532652508. The cubic root of 2145325004 is about 1289.7267221533.

The spelling of 2145325004 in words is "two billion, one hundred forty-five million, three hundred twenty-five thousand, four".