153380565 has 48 divisors (see below), whose sum is σ = 296215920. Its totient is φ = 72898560.

The previous prime is 153380561. The next prime is 153380581. The reversal of 153380565 is 565083351.

153380565 is a `hidden beast` number, since 15 + 3 + 3 + 80 + 565 = 666.

It can be written as a sum of positive squares in 8 ways, for example, as 1425636 + 151954929 = 1194^2 + 12327^2 .

It is not a de Polignac number, because 153380565 - 2² = 153380561 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (153380561) 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 47 ways as a sum of consecutive naturals, for example, 12445 + ... + 21485.

It is an arithmetic number, because the mean of its divisors is an integer number (6171165).

Almost surely, 2^153380565 is an apocalyptic number.

153380565 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

153380565 is a deficient number, since it is larger than the sum of its proper divisors (142835355).

153380565 is a wasteful number, since it uses less digits than its factorization.

153380565 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9094 (or 9091 counting only the distinct ones).

The product of its (nonzero) digits is 54000, while the sum is 36.

The square root of 153380565 is about 12384.6907510846. The cubic root of 153380565 is about 535.2912089755.

The spelling of 153380565 in words is "one hundred fifty-three million, three hundred eighty thousand, five hundred sixty-five".