2148855 has 8 divisors (see below), whose sum is σ = 3438192. Its totient is φ = 1146048.

The previous prime is 2148803. The next prime is 2148857. The reversal of 2148855 is 5588412.

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

It is not a de Polignac number, because 2148855 - 2⁶ = 2148791 is a prime.

It is a super-2 number, since 2×2148855² = 9235155622050, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2148857) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 71614 + ... + 71643.

It is an arithmetic number, because the mean of its divisors is an integer number (429774).

2^2148855 is an apocalyptic number.

2148855 is a deficient number, since it is larger than the sum of its proper divisors (1289337).

2148855 is a wasteful number, since it uses less digits than its factorization.

2148855 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 143265.

The product of its digits is 12800, while the sum is 33.

The square root of 2148855 is about 1465.8973361051. The cubic root of 2148855 is about 129.0433722315.

It can be divided in two parts, 2148 and 855, that added together give a palindrome (3003).

The spelling of 2148855 in words is "two million, one hundred forty-eight thousand, eight hundred fifty-five".