2163154 has 12 divisors (see below), whose sum is σ = 3774654. Its totient is φ = 927024.

The previous prime is 2163137. The next prime is 2163163. The reversal of 2163154 is 4513612.

It can be written as a sum of positive squares in only one way, i.e., 1270129 + 893025 = 1127^2 + 945^2 .

It is a d-powerful number, because it can be written as 2²¹ + 1 + 6³ + 3⁵ + 1 + 5 + 4⁸ .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 10939 + ... + 11134.

2^2163154 is an apocalyptic number.

2163154 is a deficient number, since it is larger than the sum of its proper divisors (1611500).

2163154 is a wasteful number, since it uses less digits than its factorization.

2163154 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22089 (or 22082 counting only the distinct ones).

The product of its digits is 720, while the sum is 22.

The square root of 2163154 is about 1470.7664668465. The cubic root of 2163154 is about 129.3289682753.

Adding to 2163154 its reverse (4513612), we get a palindrome (6676766).

The spelling of 2163154 in words is "two million, one hundred sixty-three thousand, one hundred fifty-four".