2145132304 has 40 divisors (see below), whose sum is σ = 4752854528. Its totient is φ = 918777600.

The previous prime is 2145132293. The next prime is 2145132361. The reversal of 2145132304 is 4032315412.

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, 213604 + ... + 223420.

Almost surely, 2^2145132304 is an apocalyptic number.

It is an amenable number.

2145132304 is an abundant number, since it is smaller than the sum of its proper divisors (2607722224).

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

2145132304 is a wasteful number, since it uses less digits than its factorization.

2145132304 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11783 (or 11777 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 25.

The square root of 2145132304 is about 46315.5730181545. The cubic root of 2145132304 is about 1289.6881051946.

Adding to 2145132304 its reverse (4032315412), we get a palindrome (6177447716).

The spelling of 2145132304 in words is "two billion, one hundred forty-five million, one hundred thirty-two thousand, three hundred four".