146808097 has 4 divisors (see below), whose sum is σ = 147065776. Its totient is φ = 146550420.

The previous prime is 146808083. The next prime is 146808133. The reversal of 146808097 is 790808641.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-146808097 is a prime.

It is a super-2 number, since 2×146808097² = 43105234689522818, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (146808997) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 127983 + ... + 129124.

It is an arithmetic number, because the mean of its divisors is an integer number (36766444).

Almost surely, 2^146808097 is an apocalyptic number.

It is an amenable number.

146808097 is a deficient number, since it is larger than the sum of its proper divisors (257679).

146808097 is an equidigital number, since it uses as much as digits as its factorization.

146808097 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 257678.

The product of its (nonzero) digits is 96768, while the sum is 43.

The square root of 146808097 is about 12116.4391221183. The cubic root of 146808097 is about 527.5334504068.

The spelling of 146808097 in words is "one hundred forty-six million, eight hundred eight thousand, ninety-seven".