146199497 has 2 divisors, whose sum is σ = 146199498. Its totient is φ = 146199496.

The previous prime is 146199491. The next prime is 146199511. The reversal of 146199497 is 794991641.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 113720896 + 32478601 = 10664^2 + 5699^2 .

It is a cyclic number.

It is not a de Polignac number, because 146199497 - 2¹⁰ = 146198473 is a prime.

It is not a weakly prime, because it can be changed into another prime (146199491) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 73099748 + 73099749.

It is an arithmetic number, because the mean of its divisors is an integer number (73099749).

Almost surely, 2^146199497 is an apocalyptic number.

It is an amenable number.

146199497 is a deficient number, since it is larger than the sum of its proper divisors (1).

146199497 is an equidigital number, since it uses as much as digits as its factorization.

146199497 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 489888, while the sum is 50.

The square root of 146199497 is about 12091.2984000892. The cubic root of 146199497 is about 526.8034690200.

The spelling of 146199497 in words is "one hundred forty-six million, one hundred ninety-nine thousand, four hundred ninety-seven".