146854445 has 4 divisors (see below), whose sum is σ = 176225340. Its totient is φ = 117483552.

The previous prime is 146854427. The next prime is 146854447. The reversal of 146854445 is 544458641.

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 46594276 + 100260169 = 6826^2 + 10013^2 .

It is a cyclic number.

It is not a de Polignac number, because 146854445 - 2¹⁶ = 146788909 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (146854447) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14685440 + ... + 14685449.

It is an arithmetic number, because the mean of its divisors is an integer number (44056335).

Almost surely, 2^146854445 is an apocalyptic number.

It is an amenable number.

146854445 is a deficient number, since it is larger than the sum of its proper divisors (29370895).

146854445 is an equidigital number, since it uses as much as digits as its factorization.

146854445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29370894.

The product of its digits is 307200, while the sum is 41.

The square root of 146854445 is about 12118.3515793197. The cubic root of 146854445 is about 527.5889594881.

The spelling of 146854445 in words is "one hundred forty-six million, eight hundred fifty-four thousand, four hundred forty-five".