2100454 has 8 divisors (see below), whose sum is σ = 3175128. Its totient is φ = 1042080.

The previous prime is 2100451. The next prime is 2100463. The reversal of 2100454 is 4540012.

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

It is a super-2 number, since 2×2100454² = 8823814012232, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2100451) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3747 + ... + 4270.

It is an arithmetic number, because the mean of its divisors is an integer number (396891).

2^2100454 is an apocalyptic number.

2100454 is a deficient number, since it is larger than the sum of its proper divisors (1074674).

2100454 is a wasteful number, since it uses less digits than its factorization.

2100454 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8150.

The product of its (nonzero) digits is 160, while the sum is 16.

The square root of 2100454 is about 1449.2943110355. The cubic root of 2100454 is about 128.0671441345.

Adding to 2100454 its reverse (4540012), we get a palindrome (6640466).

The spelling of 2100454 in words is "two million, one hundred thousand, four hundred fifty-four".