2146156346 has 16 divisors (see below), whose sum is σ = 3268304424. Its totient is φ = 1056766464.

The previous prime is 2146156321. The next prime is 2146156349. The reversal of 2146156346 is 6436516412.

It can be written as a sum of positive squares in 4 ways, for example, as 2110024225 + 36132121 = 45935^2 + 6011^2 .

It is a super-3 number, since 3×2146156346³ (a number of 29 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is not an unprimeable number, because it can be changed into a prime (2146156349) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 87986 + ... + 109698.

Almost surely, 2^2146156346 is an apocalyptic number.

2146156346 is a deficient number, since it is larger than the sum of its proper divisors (1122148078).

2146156346 is a wasteful number, since it uses less digits than its factorization.

2146156346 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22465.

The product of its digits is 103680, while the sum is 38.

The square root of 2146156346 is about 46326.6267496350. The cubic root of 2146156346 is about 1289.8932960636.

The spelling of 2146156346 in words is "two billion, one hundred forty-six million, one hundred fifty-six thousand, three hundred forty-six".