2148955 has 4 divisors (see below), whose sum is σ = 2578752. Its totient is φ = 1719160.

The previous prime is 2148947. The next prime is 2148983. The reversal of 2148955 is 5598412.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 2148955 - 2³ = 2148947 is a prime.

It is a Duffinian number.

2148955 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 2148955.

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, 214891 + ... + 214900.

It is an arithmetic number, because the mean of its divisors is an integer number (644688).

2^2148955 is an apocalyptic number.

2148955 is a deficient number, since it is larger than the sum of its proper divisors (429797).

2148955 is an equidigital number, since it uses as much as digits as its factorization.

2148955 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 429796.

The product of its digits is 14400, while the sum is 34.

The square root of 2148955 is about 1465.9314445089. The cubic root of 2148955 is about 129.0453739389.

The spelling of 2148955 in words is "two million, one hundred forty-eight thousand, nine hundred fifty-five".