2145410 has 8 divisors (see below), whose sum is σ = 3861756. Its totient is φ = 858160.

The previous prime is 2145401. The next prime is 2145421. The reversal of 2145410 is 145412.

It can be written as a sum of positive squares in 2 ways, for example, as 2140369 + 5041 = 1463^2 + 71^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an Ulam number.

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

It is a zygodrome in base 3.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 107261 + ... + 107280.

2^2145410 is an apocalyptic number.

2145410 is a deficient number, since it is larger than the sum of its proper divisors (1716346).

2145410 is a wasteful number, since it uses less digits than its factorization.

2145410 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 214548.

The product of its (nonzero) digits is 160, while the sum is 17.

The square root of 2145410 is about 1464.7218165918. The cubic root of 2145410 is about 128.9743754563.

The spelling of 2145410 in words is "two million, one hundred forty-five thousand, four hundred ten".