146801243 has 2 divisors, whose sum is σ = 146801244. Its totient is φ = 146801242.

The previous prime is 146801191. The next prime is 146801251. The reversal of 146801243 is 342108641.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-146801243 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (146804243) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 73400621 + 73400622.

It is an arithmetic number, because the mean of its divisors is an integer number (73400622).

Almost surely, 2^146801243 is an apocalyptic number.

146801243 is a deficient number, since it is larger than the sum of its proper divisors (1).

146801243 is an equidigital number, since it uses as much as digits as its factorization.

146801243 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4608, while the sum is 29.

The square root of 146801243 is about 12116.1562799429. The cubic root of 146801243 is about 527.5252406631.

Adding to 146801243 its reverse (342108641), we get a palindrome (488909884).

The spelling of 146801243 in words is "one hundred forty-six million, eight hundred one thousand, two hundred forty-three".