146142817 has 2 divisors, whose sum is σ = 146142818. Its totient is φ = 146142816.

The previous prime is 146142781. The next prime is 146142907. The reversal of 146142817 is 718241641.

It is a happy number.

Together with previous prime (146142781) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 139972561 + 6170256 = 11831^2 + 2484^2 .

It is a cyclic number.

It is not a de Polignac number, because 146142817 - 2²³ = 137754209 is a prime.

It is a super-3 number, since 3×146142817³ (a number of 25 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (146142617) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 73071408 + 73071409.

It is an arithmetic number, because the mean of its divisors is an integer number (73071409).

Almost surely, 2^146142817 is an apocalyptic number.

It is an amenable number.

146142817 is a deficient number, since it is larger than the sum of its proper divisors (1).

146142817 is an equidigital number, since it uses as much as digits as its factorization.

146142817 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 10752, while the sum is 34.

The square root of 146142817 is about 12088.9543385687. The cubic root of 146142817 is about 526.7353815077.

The spelling of 146142817 in words is "one hundred forty-six million, one hundred forty-two thousand, eight hundred seventeen".