147855 has 8 divisors (see below), whose sum is σ = 236592. Its totient is φ = 78848.

The previous prime is 147853. The next prime is 147859. The reversal of 147855 is 558741.

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 147855 - 2¹ = 147853 is a prime.

It is a super-2 number, since 2×147855² = 43722202050, which contains 22 as substring.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 147855.

It is not an unprimeable number, because it can be changed into a prime (147853) 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, 4914 + ... + 4943.

It is an arithmetic number, because the mean of its divisors is an integer number (29574).

2¹⁴⁷⁸⁵⁵ is an apocalyptic number.

147855 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

147855 is a deficient number, since it is larger than the sum of its proper divisors (88737).

147855 is an equidigital number, since it uses as much as digits as its factorization.

147855 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9865.

The product of its digits is 5600, while the sum is 30.

The square root of 147855 is about 384.5191802758. The cubic root of 147855 is about 52.8784445777.

The spelling of 147855 in words is "one hundred forty-seven thousand, eight hundred fifty-five".