2154154 has 8 divisors (see below), whose sum is σ = 3284388. Its totient is φ = 1059360.

The previous prime is 2154143. The next prime is 2154161. The reversal of 2154154 is 4514512.

2154154 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 1625625 + 528529 = 1275^2 + 727^2 .

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8707 + ... + 8950.

2^2154154 is an apocalyptic number.

2154154 is a deficient number, since it is larger than the sum of its proper divisors (1130234).

2154154 is a wasteful number, since it uses less digits than its factorization.

2154154 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17720.

The product of its digits is 800, while the sum is 22.

The square root of 2154154 is about 1467.7036485612. The cubic root of 2154154 is about 129.1493572828.

Adding to 2154154 its reverse (4514512), we get a palindrome (6668666).

The spelling of 2154154 in words is "two million, one hundred fifty-four thousand, one hundred fifty-four".