146919 has 4 divisors (see below), whose sum is σ = 195896. Its totient is φ = 97944.

The previous prime is 146917. The next prime is 146921. The reversal of 146919 is 919641.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (146917) and next prime (146921).

It is not a de Polignac number, because 146919 - 2¹ = 146917 is a prime.

It is a super-2 number, since 2×146919² = 43170385122, which contains 22 as substring.

It is a D-number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (146917) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24484 + ... + 24489.

It is an arithmetic number, because the mean of its divisors is an integer number (48974).

2¹⁴⁶⁹¹⁹ is an apocalyptic number.

146919 is a deficient number, since it is larger than the sum of its proper divisors (48977).

146919 is an equidigital number, since it uses as much as digits as its factorization.

146919 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48976.

The product of its digits is 1944, while the sum is 30.

The square root of 146919 is about 383.3001434907. The cubic root of 146919 is about 52.7666254881.

The spelling of 146919 in words is "one hundred forty-six thousand, nine hundred nineteen".