148077805 has 16 divisors (see below), whose sum is σ = 181332144. Its totient is φ = 116052480.

The previous prime is 148077781. The next prime is 148077821. The reversal of 148077805 is 508770841.

It can be written as a sum of positive squares in 8 ways, for example, as 5299204 + 142778601 = 2302^2 + 11949^2 .

It is not a de Polignac number, because 148077805 - 2¹³ = 148069613 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 88537 + ... + 90193.

It is an arithmetic number, because the mean of its divisors is an integer number (11333259).

Almost surely, 2^148077805 is an apocalyptic number.

It is an amenable number.

148077805 is a deficient number, since it is larger than the sum of its proper divisors (33254339).

148077805 is a wasteful number, since it uses less digits than its factorization.

148077805 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2016.

The product of its (nonzero) digits is 62720, while the sum is 40.

The square root of 148077805 is about 12168.7224062348. The cubic root of 148077805 is about 529.0499236405.

The spelling of 148077805 in words is "one hundred forty-eight million, seventy-seven thousand, eight hundred five".