148787605 has 4 divisors (see below), whose sum is σ = 178545132. Its totient is φ = 119030080.

The previous prime is 148787581. The next prime is 148787609. The reversal of 148787605 is 506787841.

148787605 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 80245764 + 68541841 = 8958^2 + 8279^2 .

It is a de Polignac number, because none of the positive numbers 2^k-148787605 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (148787609) 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, 14878756 + ... + 14878765.

It is an arithmetic number, because the mean of its divisors is an integer number (44636283).

Almost surely, 2^148787605 is an apocalyptic number.

It is an amenable number.

148787605 is a deficient number, since it is larger than the sum of its proper divisors (29757527).

148787605 is an equidigital number, since it uses as much as digits as its factorization.

148787605 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29757526.

The product of its (nonzero) digits is 376320, while the sum is 46.

The square root of 148787605 is about 12197.8524749236. The cubic root of 148787605 is about 529.8938971179.

The spelling of 148787605 in words is "one hundred forty-eight million, seven hundred eighty-seven thousand, six hundred five".