146816922257 has 2 divisors, whose sum is σ = 146816922258. Its totient is φ = 146816922256.

The previous prime is 146816922253. The next prime is 146816922337. The reversal of 146816922257 is 752229618641.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 119467700881 + 27349221376 = 345641^2 + 165376^2 .

It is a cyclic number.

It is not a de Polignac number, because 146816922257 - 2² = 146816922253 is a prime.

It is a super-2 number, since 2×146816922257² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 146816922199 and 146816922208.

It is not a weakly prime, because it can be changed into another prime (146816922253) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 73408461128 + 73408461129.

It is an arithmetic number, because the mean of its divisors is an integer number (73408461129).

Almost surely, 2^146816922257 is an apocalyptic number.

It is an amenable number.

146816922257 is a deficient number, since it is larger than the sum of its proper divisors (1).

146816922257 is an equidigital number, since it uses as much as digits as its factorization.

146816922257 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2903040, while the sum is 53.

The spelling of 146816922257 in words is "one hundred forty-six billion, eight hundred sixteen million, nine hundred twenty-two thousand, two hundred fifty-seven".