2145250 has 16 divisors (see below), whose sum is σ = 4016376. Its totient is φ = 858000.

The previous prime is 2145239. The next prime is 2145263. The reversal of 2145250 is 525412.

2145250 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 74529 + 2070721 = 273^2 + 1439^2 .

It is an alternating number because its digits alternate between even and odd.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4041 + ... + 4540.

2^2145250 is an apocalyptic number.

2145250 is a deficient number, since it is larger than the sum of its proper divisors (1871126).

2145250 is an equidigital number, since it uses as much as digits as its factorization.

2145250 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8598 (or 8588 counting only the distinct ones).

The product of its (nonzero) digits is 400, while the sum is 19.

The square root of 2145250 is about 1464.6671976937. The cubic root of 2145250 is about 128.9711691674.

The spelling of 2145250 in words is "two million, one hundred forty-five thousand, two hundred fifty".