146996257 has 2 divisors, whose sum is σ = 146996258. Its totient is φ = 146996256.

The previous prime is 146996251. The next prime is 146996303. The reversal of 146996257 is 752699641.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 94012416 + 52983841 = 9696^2 + 7279^2 .

It is a cyclic number.

It is not a de Polignac number, because 146996257 - 2³ = 146996249 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 146996257.

It is not a weakly prime, because it can be changed into another prime (146996251) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 73498128 + 73498129.

It is an arithmetic number, because the mean of its divisors is an integer number (73498129).

Almost surely, 2^146996257 is an apocalyptic number.

It is an amenable number.

146996257 is a deficient number, since it is larger than the sum of its proper divisors (1).

146996257 is an equidigital number, since it uses as much as digits as its factorization.

146996257 is an evil number, because the sum of its binary digits is even.

The product of its digits is 816480, while the sum is 49.

The square root of 146996257 is about 12124.2012932811. The cubic root of 146996257 is about 527.7587293472.

The spelling of 146996257 in words is "one hundred forty-six million, nine hundred ninety-six thousand, two hundred fifty-seven".