2146455 has 12 divisors (see below), whose sum is σ = 3720600. Its totient is φ = 1144752.

The previous prime is 2146439. The next prime is 2146457. The reversal of 2146455 is 5546412.

2146455 is a `hidden beast` number, since 2 + 14 + 645 + 5 = 666.

It is not a de Polignac number, because 2146455 - 2⁴ = 2146439 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2146457) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 23805 + ... + 23894.

It is an arithmetic number, because the mean of its divisors is an integer number (310050).

2^2146455 is an apocalyptic number.

2146455 is a deficient number, since it is larger than the sum of its proper divisors (1574145).

2146455 is a wasteful number, since it uses less digits than its factorization.

2146455 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47710 (or 47707 counting only the distinct ones).

The product of its digits is 4800, while the sum is 27.

The square root of 2146455 is about 1465.0784961906. The cubic root of 2146455 is about 128.9953126114.

It can be divided in two parts, 2146 and 455, that added together give a square (2601 = 51²).

The spelling of 2146455 in words is "two million, one hundred forty-six thousand, four hundred fifty-five".