146961517 has 8 divisors (see below), whose sum is σ = 149110200. Its totient is φ = 144824064.

The previous prime is 146961509. The next prime is 146961541. The reversal of 146961517 is 715169641.

It can be written as a sum of positive squares in 4 ways, for example, as 10982596 + 135978921 = 3314^2 + 11661^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 146961517 - 2³ = 146961509 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 146961517.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (146961547) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25609 + ... + 30817.

It is an arithmetic number, because the mean of its divisors is an integer number (18638775).

Almost surely, 2^146961517 is an apocalyptic number.

It is an amenable number.

146961517 is a deficient number, since it is larger than the sum of its proper divisors (2148683).

146961517 is an equidigital number, since it uses as much as digits as its factorization.

146961517 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5615.

The product of its digits is 45360, while the sum is 40.

The square root of 146961517 is about 12122.7685369308. The cubic root of 146961517 is about 527.7171505498.

The spelling of 146961517 in words is "one hundred forty-six million, nine hundred sixty-one thousand, five hundred seventeen".