146331841 has 2 divisors, whose sum is σ = 146331842. Its totient is φ = 146331840.

The previous prime is 146331817. The next prime is 146331851. The reversal of 146331841 is 148133641.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 137945025 + 8386816 = 11745^2 + 2896^2 .

It is an emirp because it is prime and its reverse (148133641) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 146331841 - 2⁹ = 146331329 is a prime.

It is not a weakly prime, because it can be changed into another prime (146331851) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 73165920 + 73165921.

It is an arithmetic number, because the mean of its divisors is an integer number (73165921).

Almost surely, 2^146331841 is an apocalyptic number.

It is an amenable number.

146331841 is a deficient number, since it is larger than the sum of its proper divisors (1).

146331841 is an equidigital number, since it uses as much as digits as its factorization.

146331841 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6912, while the sum is 31.

The square root of 146331841 is about 12096.7698581067. The cubic root of 146331841 is about 526.9623803091.

The spelling of 146331841 in words is "one hundred forty-six million, three hundred thirty-one thousand, eight hundred forty-one".