153855247 has 48 divisors (see below), whose sum is σ = 203509152. Its totient is φ = 115153920.

The previous prime is 153855241. The next prime is 153855269. The reversal of 153855247 is 742558351.

153855247 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a de Polignac number, because none of the positive numbers 2^k-153855247 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (153855241) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1122963 + ... + 1123099.

It is an arithmetic number, because the mean of its divisors is an integer number (4239774).

Almost surely, 2^153855247 is an apocalyptic number.

153855247 is a deficient number, since it is larger than the sum of its proper divisors (49653905).

153855247 is a wasteful number, since it uses less digits than its factorization.

153855247 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 248 (or 241 counting only the distinct ones).

The product of its digits is 168000, while the sum is 40.

The square root of 153855247 is about 12403.8400102549. The cubic root of 153855247 is about 535.8428465076.

The spelling of 153855247 in words is "one hundred fifty-three million, eight hundred fifty-five thousand, two hundred forty-seven".