2145412 has 6 divisors (see below), whose sum is σ = 3754478. Its totient is φ = 1072704.

The previous prime is 2145401. The next prime is 2145421.

2145412 is nontrivially palindromic in base 10.

It can be written as a sum of positive squares in only one way, i.e., 2143296 + 2116 = 1464^2 + 46^2 .

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

It is a self number, because there is not a number n which added to its sum of digits gives 2145412.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 268173 + ... + 268180.

2^2145412 is an apocalyptic number.

It is an amenable number.

2145412 is a deficient number, since it is larger than the sum of its proper divisors (1609066).

2145412 is a wasteful number, since it uses less digits than its factorization.

2145412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 536357 (or 536355 counting only the distinct ones).

The product of its digits is 320, while the sum is 19.

The square root of 2145412 is about 1464.7224993151. The cubic root of 2145412 is about 128.9744155339.

The spelling of 2145412 in words is "two million, one hundred forty-five thousand, four hundred twelve".