2145228352 has 14 divisors (see below), whose sum is σ = 4256937638. Its totient is φ = 1072614144.

The previous prime is 2145228347. The next prime is 2145228361. The reversal of 2145228352 is 2538225412.

It can be written as a sum of positive squares in only one way, i.e., 1263375936 + 881852416 = 35544^2 + 29696^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16759533 + ... + 16759660.

Almost surely, 2^2145228352 is an apocalyptic number.

It is an amenable number.

2145228352 is a deficient number, since it is larger than the sum of its proper divisors (2111709286).

2145228352 is an equidigital number, since it uses as much as digits as its factorization.

2145228352 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33519205 (or 33519195 counting only the distinct ones).

The product of its digits is 38400, while the sum is 34.

The square root of 2145228352 is about 46316.6098932122. The cubic root of 2145228352 is about 1289.7073534424.

The spelling of 2145228352 in words is "two billion, one hundred forty-five million, two hundred twenty-eight thousand, three hundred fifty-two".