2146015229 has 4 divisors (see below), whose sum is σ = 2151262620. Its totient is φ = 2140767840.

The previous prime is 2146015189. The next prime is 2146015241. The reversal of 2146015229 is 9225106412.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1963819225 + 182196004 = 44315^2 + 13498^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2146015229 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2146015195 and 2146015204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2146015279) 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, 2623082 + ... + 2623899.

It is an arithmetic number, because the mean of its divisors is an integer number (537815655).

Almost surely, 2^2146015229 is an apocalyptic number.

It is an amenable number.

2146015229 is a deficient number, since it is larger than the sum of its proper divisors (5247391).

2146015229 is an equidigital number, since it uses as much as digits as its factorization.

2146015229 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5247390.

The product of its (nonzero) digits is 8640, while the sum is 32.

The square root of 2146015229 is about 46325.1036588155. The cubic root of 2146015229 is about 1289.8650238360.

The spelling of 2146015229 in words is "two billion, one hundred forty-six million, fifteen thousand, two hundred twenty-nine".