146790401 has 2 divisors, whose sum is σ = 146790402. Its totient is φ = 146790400.

The previous prime is 146790383. The next prime is 146790403. The reversal of 146790401 is 104097641.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 108659776 + 38130625 = 10424^2 + 6175^2 .

It is an emirp because it is prime and its reverse (104097641) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-146790401 is a prime.

Together with 146790403, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (146790403) 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 as a sum of consecutive naturals, namely, 73395200 + 73395201.

It is an arithmetic number, because the mean of its divisors is an integer number (73395201).

Almost surely, 2^146790401 is an apocalyptic number.

It is an amenable number.

146790401 is a deficient number, since it is larger than the sum of its proper divisors (1).

146790401 is an equidigital number, since it uses as much as digits as its factorization.

146790401 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6048, while the sum is 32.

The square root of 146790401 is about 12115.7088525600. The cubic root of 146790401 is about 527.5122535581.

The spelling of 146790401 in words is "one hundred forty-six million, seven hundred ninety thousand, four hundred one".