146199401 has 2 divisors, whose sum is σ = 146199402. Its totient is φ = 146199400.

The previous prime is 146199397. The next prime is 146199409. The reversal of 146199401 is 104991641.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 141253225 + 4946176 = 11885^2 + 2224^2 .

It is an emirp because it is prime and its reverse (104991641) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 146199401 - 2² = 146199397 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (146199409) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 73099700 + 73099701.

It is an arithmetic number, because the mean of its divisors is an integer number (73099701).

Almost surely, 2^146199401 is an apocalyptic number.

It is an amenable number.

146199401 is a deficient number, since it is larger than the sum of its proper divisors (1).

146199401 is an equidigital number, since it uses as much as digits as its factorization.

146199401 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7776, while the sum is 35.

The square root of 146199401 is about 12091.2944302916. The cubic root of 146199401 is about 526.8033537138.

The spelling of 146199401 in words is "one hundred forty-six million, one hundred ninety-nine thousand, four hundred one".