2145425210 has 16 divisors (see below), whose sum is σ = 3862294056. Its totient is φ = 858052608.

The previous prime is 2145425209. The next prime is 2145425231. The reversal of 2145425210 is 125245412.

It can be written as a sum of positive squares in 4 ways, for example, as 2116276009 + 29149201 = 46003^2 + 5399^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 2145425210.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 128462 + ... + 144198.

Almost surely, 2^2145425210 is an apocalyptic number.

2145425210 is a deficient number, since it is larger than the sum of its proper divisors (1716868846).

2145425210 is a wasteful number, since it uses less digits than its factorization.

2145425210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29377.

The product of its (nonzero) digits is 3200, while the sum is 26.

The square root of 2145425210 is about 46318.7349784080. The cubic root of 2145425210 is about 1289.7468024587.

It can be divided in two parts, 21454 and 25210, that added together give a palindrome (46664).

The spelling of 2145425210 in words is "two billion, one hundred forty-five million, four hundred twenty-five thousand, two hundred ten".