146956081 has 8 divisors (see below), whose sum is σ = 149610240. Its totient is φ = 144319392.

The previous prime is 146956057. The next prime is 146956087. The reversal of 146956081 is 180659641.

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

It is a cyclic number.

It is not a de Polignac number, because 146956081 - 2⁵ = 146956049 is a prime.

It is a super-2 number, since 2×146956081² = 43192179485757122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (146956087) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13236 + ... + 21658.

It is an arithmetic number, because the mean of its divisors is an integer number (18701280).

Almost surely, 2^146956081 is an apocalyptic number.

It is an amenable number.

146956081 is a deficient number, since it is larger than the sum of its proper divisors (2654159).

146956081 is an equidigital number, since it uses as much as digits as its factorization.

146956081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8735.

The product of its (nonzero) digits is 51840, while the sum is 40.

The square root of 146956081 is about 12122.5443286465. The cubic root of 146956081 is about 527.7106438446.

It can be divided in two parts, 1469560 and 81, that added together give a palindrome (1469641).

The spelling of 146956081 in words is "one hundred forty-six million, nine hundred fifty-six thousand, eighty-one".