146722799 has 2 divisors, whose sum is σ = 146722800. Its totient is φ = 146722798.

The previous prime is 146722789. The next prime is 146722811. The reversal of 146722799 is 997227641.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 146722799 - 2²⁰ = 145674223 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (146722729) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 73361399 + 73361400.

It is an arithmetic number, because the mean of its divisors is an integer number (73361400).

Almost surely, 2^146722799 is an apocalyptic number.

146722799 is a deficient number, since it is larger than the sum of its proper divisors (1).

146722799 is an equidigital number, since it uses as much as digits as its factorization.

146722799 is an evil number, because the sum of its binary digits is even.

The product of its digits is 381024, while the sum is 47.

The square root of 146722799 is about 12112.9186821344. The cubic root of 146722799 is about 527.4312619790.

It can be divided in two parts, 14672 and 2799, that added together give a palindrome (17471).

The spelling of 146722799 in words is "one hundred forty-six million, seven hundred twenty-two thousand, seven hundred ninety-nine".