146004493 has 4 divisors (see below), whose sum is σ = 153688960. Its totient is φ = 138320028.

The previous prime is 146004491. The next prime is 146004503. The reversal of 146004493 is 394400641.

146004493 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 146004493 - 2¹ = 146004491 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 (146004491) 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, 3842205 + ... + 3842242.

It is an arithmetic number, because the mean of its divisors is an integer number (38422240).

Almost surely, 2^146004493 is an apocalyptic number.

It is an amenable number.

146004493 is a deficient number, since it is larger than the sum of its proper divisors (7684467).

146004493 is an equidigital number, since it uses as much as digits as its factorization.

146004493 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7684466.

The product of its (nonzero) digits is 10368, while the sum is 31.

The square root of 146004493 is about 12083.2318938271. The cubic root of 146004493 is about 526.5691442478.

The spelling of 146004493 in words is "one hundred forty-six million, four thousand, four hundred ninety-three".