2154453 has 8 divisors (see below), whose sum is σ = 3283008. Its totient is φ = 1231104.

The previous prime is 2154419. The next prime is 2154487. The reversal of 2154453 is 3544512.

It is an interprime number because it is at equal distance from previous prime (2154419) and next prime (2154487).

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

It is not a de Polignac number, because 2154453 - 2⁶ = 2154389 is a prime.

2154453 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2154413) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 51276 + ... + 51317.

It is an arithmetic number, because the mean of its divisors is an integer number (410376).

2^2154453 is an apocalyptic number.

It is an amenable number.

2154453 is a deficient number, since it is larger than the sum of its proper divisors (1128555).

2154453 is a wasteful number, since it uses less digits than its factorization.

2154453 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 102603.

The product of its digits is 2400, while the sum is 24.

The square root of 2154453 is about 1467.8055048268. The cubic root of 2154453 is about 129.1553323850.

Adding to 2154453 its reverse (3544512), we get a palindrome (5698965).

The spelling of 2154453 in words is "two million, one hundred fifty-four thousand, four hundred fifty-three".