2141454 has 32 divisors (see below), whose sum is σ = 4974336. Its totient is φ = 601920.

The previous prime is 2141437. The next prime is 2141459. The reversal of 2141454 is 4541412.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is an Ulam number.

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

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 2141454.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2141459) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2434 + ... + 3194.

It is an arithmetic number, because the mean of its divisors is an integer number (155448).

2^2141454 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2141454, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2487168).

2141454 is an abundant number, since it is smaller than the sum of its proper divisors (2832882).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2141454 is a wasteful number, since it uses less digits than its factorization.

2141454 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 840.

The product of its digits is 640, while the sum is 21.

The square root of 2141454 is about 1463.3707664157. The cubic root of 2141454 is about 128.8950531579.

Adding to 2141454 its reverse (4541412), we get a palindrome (6682866).

The spelling of 2141454 in words is "two million, one hundred forty-one thousand, four hundred fifty-four".