2159154 has 12 divisors (see below), whose sum is σ = 4678206. Its totient is φ = 719712.

The previous prime is 2159147. The next prime is 2159177. The reversal of 2159154 is 4519512.

2159154 is a `hidden beast` number, since 21 + 591 + 54 = 666.

It can be written as a sum of positive squares in only one way, i.e., 1375929 + 783225 = 1173^2 + 885^2 .

It is a super-3 number, since 3×2159154³ = 30197578033302552792, which contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 59959 + ... + 59994.

2^2159154 is an apocalyptic number.

2159154 is an abundant number, since it is smaller than the sum of its proper divisors (2519052).

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

2159154 is a wasteful number, since it uses less digits than its factorization.

2159154 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 119961 (or 119958 counting only the distinct ones).

The product of its digits is 1800, while the sum is 27.

The square root of 2159154 is about 1469.4060024377. The cubic root of 2159154 is about 129.2492027931.

The spelling of 2159154 in words is "two million, one hundred fifty-nine thousand, one hundred fifty-four".