2147156 has 12 divisors (see below), whose sum is σ = 4099200. Its totient is φ = 975960.

The previous prime is 2147137. The next prime is 2147161. The reversal of 2147156 is 6517412.

It is a super-2 number, since 2×2147156² = 9220557776672, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24356 + ... + 24443.

It is an arithmetic number, because the mean of its divisors is an integer number (341600).

2^2147156 is an apocalyptic number.

It is an amenable number.

2147156 is a deficient number, since it is larger than the sum of its proper divisors (1952044).

2147156 is a wasteful number, since it uses less digits than its factorization.

2147156 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48814 (or 48812 counting only the distinct ones).

The product of its digits is 1680, while the sum is 26.

The square root of 2147156 is about 1465.3177129892. The cubic root of 2147156 is about 129.0093537275.

The spelling of 2147156 in words is "two million, one hundred forty-seven thousand, one hundred fifty-six".