2145050 has 12 divisors (see below), whose sum is σ = 3989886. Its totient is φ = 858000.

The previous prime is 2145047. The next prime is 2145067. The reversal of 2145050 is 505412.

It can be written as a sum of positive squares in 3 ways, for example, as 1841449 + 303601 = 1357^2 + 551^2 .

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

It is a nialpdrome in base 12.

It is a zygodrome in base 3.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 21401 + ... + 21500.

2^2145050 is an apocalyptic number.

2145050 is a deficient number, since it is larger than the sum of its proper divisors (1844836).

2145050 is a wasteful number, since it uses less digits than its factorization.

2145050 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42913 (or 42908 counting only the distinct ones).

The product of its (nonzero) digits is 200, while the sum is 17.

The square root of 2145050 is about 1464.5989212068. The cubic root of 2145050 is about 128.9671610820.

The spelling of 2145050 in words is "two million, one hundred forty-five thousand, fifty".