146191875 has 20 divisors (see below), whose sum is σ = 243578280. Its totient is φ = 77968000.

The previous prime is 146191867. The next prime is 146191879. The reversal of 146191875 is 578191641.

It is not a de Polignac number, because 146191875 - 2³ = 146191867 is a prime.

It is not an unprimeable number, because it can be changed into a prime (146191879) 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 19 ways as a sum of consecutive naturals, for example, 37110 + ... + 40859.

It is an arithmetic number, because the mean of its divisors is an integer number (12178914).

Almost surely, 2^146191875 is an apocalyptic number.

146191875 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

146191875 is a deficient number, since it is larger than the sum of its proper divisors (97386405).

146191875 is an frugal number, since it uses more digits than its factorization.

146191875 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77992 (or 77977 counting only the distinct ones).

The product of its digits is 60480, while the sum is 42.

The square root of 146191875 is about 12090.9832106409. The cubic root of 146191875 is about 526.7943140277.

The spelling of 146191875 in words is "one hundred forty-six million, one hundred ninety-one thousand, eight hundred seventy-five".