146385445 has 4 divisors (see below), whose sum is σ = 175662540. Its totient is φ = 117108352.

The previous prime is 146385439. The next prime is 146385467. The reversal of 146385445 is 544583641.

It is a happy number.

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

It can be written as a sum of positive squares in 2 ways, for example, as 113230881 + 33154564 = 10641^2 + 5758^2 .

It is a cyclic number.

It is not a de Polignac number, because 146385445 - 2²⁵ = 112831013 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 146385398 and 146385407.

It is a congruent number.

It is an unprimeable number.

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, 14638540 + ... + 14638549.

It is an arithmetic number, because the mean of its divisors is an integer number (43915635).

Almost surely, 2^146385445 is an apocalyptic number.

It is an amenable number.

146385445 is a deficient number, since it is larger than the sum of its proper divisors (29277095).

146385445 is an equidigital number, since it uses as much as digits as its factorization.

146385445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29277094.

The product of its digits is 230400, while the sum is 40.

The square root of 146385445 is about 12098.9852880314. The cubic root of 146385445 is about 527.0267177373.

The spelling of 146385445 in words is "one hundred forty-six million, three hundred eighty-five thousand, four hundred forty-five".