148305565 has 8 divisors (see below), whose sum is σ = 184103640. Its totient is φ = 114553152.

The previous prime is 148305557. The next prime is 148305589. The reversal of 148305565 is 565503841.

It can be written as a sum of positive squares in 4 ways, for example, as 61685316 + 86620249 = 7854^2 + 9307^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 148305565 - 2³ = 148305557 is a prime.

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 7 ways as a sum of consecutive naturals, for example, 511254 + ... + 511543.

It is an arithmetic number, because the mean of its divisors is an integer number (23012955).

Almost surely, 2^148305565 is an apocalyptic number.

It is an amenable number.

148305565 is a deficient number, since it is larger than the sum of its proper divisors (35798075).

148305565 is a wasteful number, since it uses less digits than its factorization.

148305565 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1022831.

The product of its (nonzero) digits is 72000, while the sum is 37.

The square root of 148305565 is about 12178.0772291852. The cubic root of 148305565 is about 529.3210304064.

The spelling of 148305565 in words is "one hundred forty-eight million, three hundred five thousand, five hundred sixty-five".