146438497 has 2 divisors, whose sum is σ = 146438498. Its totient is φ = 146438496.

The previous prime is 146438473. The next prime is 146438507. The reversal of 146438497 is 794834641.

146438497 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 118178641 + 28259856 = 10871^2 + 5316^2 .

It is a cyclic number.

It is not a de Polignac number, because 146438497 - 2¹¹ = 146436449 is a prime.

It is not a weakly prime, because it can be changed into another prime (146438597) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 73219248 + 73219249.

It is an arithmetic number, because the mean of its divisors is an integer number (73219249).

Almost surely, 2^146438497 is an apocalyptic number.

It is an amenable number.

146438497 is a deficient number, since it is larger than the sum of its proper divisors (1).

146438497 is an equidigital number, since it uses as much as digits as its factorization.

146438497 is an evil number, because the sum of its binary digits is even.

The product of its digits is 580608, while the sum is 46.

The square root of 146438497 is about 12101.1775046894. The cubic root of 146438497 is about 527.0903771730.

The spelling of 146438497 in words is "one hundred forty-six million, four hundred thirty-eight thousand, four hundred ninety-seven".