146566141 has 2 divisors, whose sum is σ = 146566142. Its totient is φ = 146566140.

The previous prime is 146566111. The next prime is 146566181. The reversal of 146566141 is 141665641.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 122014116 + 24552025 = 11046^2 + 4955^2 .

It is a cyclic number.

It is not a de Polignac number, because 146566141 - 2¹⁹ = 146041853 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 146566097 and 146566106.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (146566111) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 73283070 + 73283071.

It is an arithmetic number, because the mean of its divisors is an integer number (73283071).

Almost surely, 2^146566141 is an apocalyptic number.

It is an amenable number.

146566141 is a deficient number, since it is larger than the sum of its proper divisors (1).

146566141 is an equidigital number, since it uses as much as digits as its factorization.

146566141 is an evil number, because the sum of its binary digits is even.

The product of its digits is 17280, while the sum is 34.

The square root of 146566141 is about 12106.4503881195. The cubic root of 146566141 is about 527.2434798671.

The spelling of 146566141 in words is "one hundred forty-six million, five hundred sixty-six thousand, one hundred forty-one".