2145252308 has 12 divisors (see below), whose sum is σ = 3762669120. Its totient is φ = 1070203992.

The previous prime is 2145252299. The next prime is 2145252311. The reversal of 2145252308 is 8032525412.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 603548 + ... + 607091.

It is an arithmetic number, because the mean of its divisors is an integer number (313555760).

Almost surely, 2^2145252308 is an apocalyptic number.

It is an amenable number.

2145252308 is a deficient number, since it is larger than the sum of its proper divisors (1617416812).

2145252308 is a wasteful number, since it uses less digits than its factorization.

2145252308 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1211086 (or 1211084 counting only the distinct ones).

The product of its (nonzero) digits is 19200, while the sum is 32.

The square root of 2145252308 is about 46316.8685038183. The cubic root of 2145252308 is about 1289.7121541923.

The spelling of 2145252308 in words is "two billion, one hundred forty-five million, two hundred fifty-two thousand, three hundred eight".