146938479 has 4 divisors (see below), whose sum is σ = 195917976. Its totient is φ = 97958984.

The previous prime is 146938459. The next prime is 146938483. The reversal of 146938479 is 974839641.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 974839641 = 3 ⋅324946547.

It is a cyclic number.

It is not a de Polignac number, because 146938479 - 2⁸ = 146938223 is a prime.

It is a super-2 number, since 2×146938479² = 43181833221666882, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (146938459) 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 3 ways as a sum of consecutive naturals, for example, 24489744 + ... + 24489749.

It is an arithmetic number, because the mean of its divisors is an integer number (48979494).

Almost surely, 2^146938479 is an apocalyptic number.

146938479 is a deficient number, since it is larger than the sum of its proper divisors (48979497).

146938479 is an equidigital number, since it uses as much as digits as its factorization.

146938479 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48979496.

The product of its digits is 1306368, while the sum is 51.

The square root of 146938479 is about 12121.8183041984. The cubic root of 146938479 is about 527.6895737544.

The spelling of 146938479 in words is "one hundred forty-six million, nine hundred thirty-eight thousand, four hundred seventy-nine".