148875565 has 4 divisors (see below), whose sum is σ = 178650684. Its totient is φ = 119100448.

The previous prime is 148875539. The next prime is 148875599. The reversal of 148875565 is 565578841.

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 21501769 + 127373796 = 4637^2 + 11286^2 .

It is a cyclic number.

It is not a de Polignac number, because 148875565 - 2¹³ = 148867373 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14887552 + ... + 14887561.

It is an arithmetic number, because the mean of its divisors is an integer number (44662671).

Almost surely, 2^148875565 is an apocalyptic number.

It is an amenable number.

148875565 is a deficient number, since it is larger than the sum of its proper divisors (29775119).

148875565 is an equidigital number, since it uses as much as digits as its factorization.

148875565 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29775118.

The product of its digits is 1344000, while the sum is 49.

The square root of 148875565 is about 12201.4574949061. The cubic root of 148875565 is about 529.9982971347.

The spelling of 148875565 in words is "one hundred forty-eight million, eight hundred seventy-five thousand, five hundred sixty-five".