146297369 has 2 divisors, whose sum is σ = 146297370. Its totient is φ = 146297368.

The previous prime is 146297317. The next prime is 146297387. The reversal of 146297369 is 963792641.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 116920969 + 29376400 = 10813^2 + 5420^2 .

It is a cyclic number.

It is not a de Polignac number, because 146297369 - 2²⁰ = 145248793 is a prime.

It is a super-2 number, since 2×146297369² = 42805840352644322, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (146227369) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 73148684 + 73148685.

It is an arithmetic number, because the mean of its divisors is an integer number (73148685).

Almost surely, 2^146297369 is an apocalyptic number.

It is an amenable number.

146297369 is a deficient number, since it is larger than the sum of its proper divisors (1).

146297369 is an equidigital number, since it uses as much as digits as its factorization.

146297369 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 489888, while the sum is 47.

The square root of 146297369 is about 12095.3449310055. The cubic root of 146297369 is about 526.9209974866.

The spelling of 146297369 in words is "one hundred forty-six million, two hundred ninety-seven thousand, three hundred sixty-nine".