2146156042 has 8 divisors (see below), whose sum is σ = 3223713600. Its totient is φ = 1071584844.

The previous prime is 2146156027. The next prime is 2146156069. The reversal of 2146156042 is 2406516412.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×2146156042² = 9211971513226211528, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2146155995 and 2146156013.

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, 744792 + ... + 747667.

It is an arithmetic number, because the mean of its divisors is an integer number (402964200).

Almost surely, 2^2146156042 is an apocalyptic number.

2146156042 is a deficient number, since it is larger than the sum of its proper divisors (1077557558).

2146156042 is a wasteful number, since it uses less digits than its factorization.

2146156042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1493180.

The product of its (nonzero) digits is 11520, while the sum is 31.

The square root of 2146156042 is about 46326.6234685845. The cubic root of 2146156042 is about 1289.8932351598.

The spelling of 2146156042 in words is "two billion, one hundred forty-six million, one hundred fifty-six thousand, forty-two".