146505077 has 2 divisors, whose sum is σ = 146505078. Its totient is φ = 146505076.

The previous prime is 146505059. The next prime is 146505109. The reversal of 146505077 is 770505641.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 137499076 + 9006001 = 11726^2 + 3001^2 .

It is a cyclic number.

It is not a de Polignac number, because 146505077 - 2⁸ = 146504821 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (146502077) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 73252538 + 73252539.

It is an arithmetic number, because the mean of its divisors is an integer number (73252539).

Almost surely, 2^146505077 is an apocalyptic number.

It is an amenable number.

146505077 is a deficient number, since it is larger than the sum of its proper divisors (1).

146505077 is an equidigital number, since it uses as much as digits as its factorization.

146505077 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 29400, while the sum is 35.

The square root of 146505077 is about 12103.9281640301. The cubic root of 146505077 is about 527.1702477006.

The spelling of 146505077 in words is "one hundred forty-six million, five hundred five thousand, seventy-seven".