146198493 has 16 divisors (see below), whose sum is σ = 247532160. Its totient is φ = 83541888.

The previous prime is 146198473. The next prime is 146198501. The reversal of 146198493 is 394891641.

146198493 is a `hidden beast` number, since 14 + 61 + 98 + 493 = 666.

It is not a de Polignac number, because 146198493 - 2⁵ = 146198461 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (146198473) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 386580 + ... + 386957.

It is an arithmetic number, because the mean of its divisors is an integer number (15470760).

Almost surely, 2^146198493 is an apocalyptic number.

It is an amenable number.

146198493 is a deficient number, since it is larger than the sum of its proper divisors (101333667).

146198493 is an equidigital number, since it uses as much as digits as its factorization.

146198493 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 773553 (or 773547 counting only the distinct ones).

The product of its digits is 186624, while the sum is 45.

The square root of 146198493 is about 12091.2568825577. The cubic root of 146198493 is about 526.8022631064.

The spelling of 146198493 in words is "one hundred forty-six million, one hundred ninety-eight thousand, four hundred ninety-three".