146412257 has 2 divisors, whose sum is σ = 146412258. Its totient is φ = 146412256.

The previous prime is 146412251. The next prime is 146412283. The reversal of 146412257 is 752214641.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 135396496 + 11015761 = 11636^2 + 3319^2 .

It is a cyclic number.

It is not a de Polignac number, because 146412257 - 2⁴ = 146412241 is a prime.

It is not a weakly prime, because it can be changed into another prime (146412251) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 73206128 + 73206129.

It is an arithmetic number, because the mean of its divisors is an integer number (73206129).

Almost surely, 2^146412257 is an apocalyptic number.

It is an amenable number.

146412257 is a deficient number, since it is larger than the sum of its proper divisors (1).

146412257 is an equidigital number, since it uses as much as digits as its factorization.

146412257 is an evil number, because the sum of its binary digits is even.

The product of its digits is 13440, while the sum is 32.

The square root of 146412257 is about 12100.0932641034. The cubic root of 146412257 is about 527.0588925612.

Adding to 146412257 its reverse (752214641), we get a palindrome (898626898).

The spelling of 146412257 in words is "one hundred forty-six million, four hundred twelve thousand, two hundred fifty-seven".