146212445 has 4 divisors (see below), whose sum is σ = 175454940. Its totient is φ = 116969952.

The previous prime is 146212439. The next prime is 146212447. The reversal of 146212445 is 544212641.

146212445 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.

It can be written as a sum of positive squares in 2 ways, for example, as 50993881 + 95218564 = 7141^2 + 9758^2 .

It is a cyclic number.

It is not a de Polignac number, because 146212445 - 2²⁰ = 145163869 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (146212447) 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, 14621240 + ... + 14621249.

It is an arithmetic number, because the mean of its divisors is an integer number (43863735).

Almost surely, 2^146212445 is an apocalyptic number.

It is an amenable number.

146212445 is a deficient number, since it is larger than the sum of its proper divisors (29242495).

146212445 is an equidigital number, since it uses as much as digits as its factorization.

146212445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29242494.

The product of its digits is 7680, while the sum is 29.

The square root of 146212445 is about 12091.8338146040. The cubic root of 146212445 is about 526.8190204870.

The spelling of 146212445 in words is "one hundred forty-six million, two hundred twelve thousand, four hundred forty-five".