146838793 has 2 divisors, whose sum is σ = 146838794. Its totient is φ = 146838792.

The previous prime is 146838751. The next prime is 146838799. The reversal of 146838793 is 397838641.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 102576384 + 44262409 = 10128^2 + 6653^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-146838793 is a prime.

It is a super-2 number, since 2×146838793² = 43123262259393698, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (146838799) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 73419396 + 73419397.

It is an arithmetic number, because the mean of its divisors is an integer number (73419397).

Almost surely, 2^146838793 is an apocalyptic number.

It is an amenable number.

146838793 is a deficient number, since it is larger than the sum of its proper divisors (1).

146838793 is an equidigital number, since it uses as much as digits as its factorization.

146838793 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 870912, while the sum is 49.

The square root of 146838793 is about 12117.7057647065. The cubic root of 146838793 is about 527.5702150418.

The spelling of 146838793 in words is "one hundred forty-six million, eight hundred thirty-eight thousand, seven hundred ninety-three".