153805655 has 8 divisors (see below), whose sum is σ = 185587584. Its totient is φ = 122364000.

The previous prime is 153805651. The next prime is 153805657. The reversal of 153805655 is 556508351.

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

It is not a de Polignac number, because 153805655 - 2² = 153805651 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 (153805651) 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, 84071 + ... + 85880.

It is an arithmetic number, because the mean of its divisors is an integer number (23198448).

Almost surely, 2^153805655 is an apocalyptic number.

153805655 is a deficient number, since it is larger than the sum of its proper divisors (31781929).

153805655 is a wasteful number, since it uses less digits than its factorization.

153805655 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 170137.

The product of its (nonzero) digits is 90000, while the sum is 38.

The square root of 153805655 is about 12401.8407907859. The cubic root of 153805655 is about 535.7852677670.

The spelling of 153805655 in words is "one hundred fifty-three million, eight hundred five thousand, six hundred fifty-five".