146980081 has 2 divisors, whose sum is σ = 146980082. Its totient is φ = 146980080.

The previous prime is 146980061. The next prime is 146980133. The reversal of 146980081 is 180089641.

It is a happy number.

146980081 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 139027681 + 7952400 = 11791^2 + 2820^2 .

It is an emirp because it is prime and its reverse (180089641) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 146980081 - 2²³ = 138591473 is a prime.

It is a super-2 number, since 2×146980081² = 43206288421533122, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 146980081.

It is not a weakly prime, because it can be changed into another prime (146980061) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 73490040 + 73490041.

It is an arithmetic number, because the mean of its divisors is an integer number (73490041).

Almost surely, 2^146980081 is an apocalyptic number.

It is an amenable number.

146980081 is a deficient number, since it is larger than the sum of its proper divisors (1).

146980081 is an equidigital number, since it uses as much as digits as its factorization.

146980081 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 13824, while the sum is 37.

The square root of 146980081 is about 12123.5341794379. The cubic root of 146980081 is about 527.7393698103.

The spelling of 146980081 in words is "one hundred forty-six million, nine hundred eighty thousand, eighty-one".