146787197 has 8 divisors (see below), whose sum is σ = 156542400. Its totient is φ = 137156544.

The previous prime is 146787191. The next prime is 146787211. The reversal of 146787197 is 791787641.

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

It is not a de Polignac number, because 146787197 - 2⁴ = 146787181 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (146787191) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28697 + ... + 33422.

It is an arithmetic number, because the mean of its divisors is an integer number (19567800).

Almost surely, 2^146787197 is an apocalyptic number.

146787197 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

It is an amenable number.

146787197 is a deficient number, since it is larger than the sum of its proper divisors (9755203).

146787197 is a wasteful number, since it uses less digits than its factorization.

146787197 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62275.

The product of its digits is 592704, while the sum is 50.

The square root of 146787197 is about 12115.5766268057. The cubic root of 146787197 is about 527.5084155198.

The spelling of 146787197 in words is "one hundred forty-six million, seven hundred eighty-seven thousand, one hundred ninety-seven".