146565257 has 2 divisors, whose sum is σ = 146565258. Its totient is φ = 146565256.

The previous prime is 146565233. The next prime is 146565271. The reversal of 146565257 is 752565641.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 113720896 + 32844361 = 10664^2 + 5731^2 .

It is a cyclic number.

It is not a de Polignac number, because 146565257 - 2²⁰ = 145516681 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (146565277) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 73282628 + 73282629.

It is an arithmetic number, because the mean of its divisors is an integer number (73282629).

Almost surely, 2^146565257 is an apocalyptic number.

It is an amenable number.

146565257 is a deficient number, since it is larger than the sum of its proper divisors (1).

146565257 is an equidigital number, since it uses as much as digits as its factorization.

146565257 is an evil number, because the sum of its binary digits is even.

The product of its digits is 252000, while the sum is 41.

The square root of 146565257 is about 12106.4138786017. The cubic root of 146565257 is about 527.2424198583.

The spelling of 146565257 in words is "one hundred forty-six million, five hundred sixty-five thousand, two hundred fifty-seven".