146717497 has 6 divisors (see below), whose sum is σ = 155855918. Its totient is φ = 138086784.

The previous prime is 146717491. The next prime is 146717521. The reversal of 146717497 is 794717641.

It can be written as a sum of positive squares in 3 ways, for example, as 109495296 + 37222201 = 10464^2 + 6101^2 .

It is a de Polignac number, because none of the positive numbers 2^k-146717497 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (146717491) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 253548 + ... + 254125.

Almost surely, 2^146717497 is an apocalyptic number.

146717497 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

It is an amenable number.

146717497 is a deficient number, since it is larger than the sum of its proper divisors (9138421).

146717497 is an equidigital number, since it uses as much as digits as its factorization.

146717497 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 507707 (or 507690 counting only the distinct ones).

The product of its digits is 296352, while the sum is 46.

The square root of 146717497 is about 12112.6998229131. The cubic root of 146717497 is about 527.4249087872.

The spelling of 146717497 in words is "one hundred forty-six million, seven hundred seventeen thousand, four hundred ninety-seven".