155632565 has 8 divisors (see below), whose sum is σ = 203737248. Its totient is φ = 113187280.

The previous prime is 155632549. The next prime is 155632567. The reversal of 155632565 is 565236551.

155632565 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 155632565 - 2⁴ = 155632549 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (155632567) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1414787 + ... + 1414896.

It is an arithmetic number, because the mean of its divisors is an integer number (25467156).

Almost surely, 2^155632565 is an apocalyptic number.

It is an amenable number.

155632565 is a deficient number, since it is larger than the sum of its proper divisors (48104683).

155632565 is a wasteful number, since it uses less digits than its factorization.

155632565 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2829699.

The product of its digits is 135000, while the sum is 38.

The square root of 155632565 is about 12475.2781532117. The cubic root of 155632565 is about 537.8982834932.

The spelling of 155632565 in words is "one hundred fifty-five million, six hundred thirty-two thousand, five hundred sixty-five".