148506845 has 4 divisors (see below), whose sum is σ = 178208220. Its totient is φ = 118805472.

The previous prime is 148506803. The next prime is 148506847. The reversal of 148506845 is 548605841.

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 37773316 + 110733529 = 6146^2 + 10523^2 .

It is a cyclic number.

It is not a de Polignac number, because 148506845 - 2¹⁰ = 148505821 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (148506847) by changing a digit.

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, 14850680 + ... + 14850689.

It is an arithmetic number, because the mean of its divisors is an integer number (44552055).

Almost surely, 2^148506845 is an apocalyptic number.

It is an amenable number.

148506845 is a deficient number, since it is larger than the sum of its proper divisors (29701375).

148506845 is an equidigital number, since it uses as much as digits as its factorization.

148506845 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29701374.

The product of its (nonzero) digits is 153600, while the sum is 41.

The square root of 148506845 is about 12186.3384574695. The cubic root of 148506845 is about 529.5603866164.

The spelling of 148506845 in words is "one hundred forty-eight million, five hundred six thousand, eight hundred forty-five".