2146651542 has 24 divisors (see below), whose sum is σ = 5315518416. Its totient is φ = 613328976.

The previous prime is 2146651541. The next prime is 2146651553. The reversal of 2146651542 is 2451566412.

2146651542 is a `hidden beast` number, since 2 + 1 + 4 + 66 + 51 + 542 = 666.

It is a super-2 number, since 2×2146651542² = 9216225685541955528, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2146651497 and 2146651506.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2146651541) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8518333 + ... + 8518584.

It is an arithmetic number, because the mean of its divisors is an integer number (221479934).

Almost surely, 2^2146651542 is an apocalyptic number.

2146651542 is an abundant number, since it is smaller than the sum of its proper divisors (3168866874).

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

2146651542 is a wasteful number, since it uses less digits than its factorization.

2146651542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17036932 (or 17036929 counting only the distinct ones).

The product of its digits is 57600, while the sum is 36.

The square root of 2146651542 is about 46331.9710567120. The cubic root of 2146651542 is about 1289.9924968015.

The spelling of 2146651542 in words is "two billion, one hundred forty-six million, six hundred fifty-one thousand, five hundred forty-two".