2145292 has 6 divisors (see below), whose sum is σ = 3754268. Its totient is φ = 1072644.

The previous prime is 2145289. The next prime is 2145307. The reversal of 2145292 is 2925412.

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

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 268158 + ... + 268165.

2^2145292 is an apocalyptic number.

It is an amenable number.

2145292 is a deficient number, since it is larger than the sum of its proper divisors (1608976).

2145292 is a wasteful number, since it uses less digits than its factorization.

2145292 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 536327 (or 536325 counting only the distinct ones).

The product of its digits is 1440, while the sum is 25.

The square root of 2145292 is about 1464.6815353516. The cubic root of 2145292 is about 128.9720108337.

The spelling of 2145292 in words is "two million, one hundred forty-five thousand, two hundred ninety-two".