2145236 has 12 divisors (see below), whose sum is σ = 3769920. Its totient is φ = 1068120.

The previous prime is 2145197. The next prime is 2145239. The reversal of 2145236 is 6325412.

2145236 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2145239) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 95 + ... + 2073.

It is an arithmetic number, because the mean of its divisors is an integer number (314160).

2^2145236 is an apocalyptic number.

It is an amenable number.

2145236 is a deficient number, since it is larger than the sum of its proper divisors (1624684).

2145236 is a wasteful number, since it uses less digits than its factorization.

2145236 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2254 (or 2252 counting only the distinct ones).

The product of its digits is 1440, while the sum is 23.

The square root of 2145236 is about 1464.6624184432. The cubic root of 2145236 is about 128.9708886095.

The spelling of 2145236 in words is "two million, one hundred forty-five thousand, two hundred thirty-six".