153855349 has 4 divisors (see below), whose sum is σ = 160544736. Its totient is φ = 147165964.

The previous prime is 153855307. The next prime is 153855371. The reversal of 153855349 is 943558351.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 153855349 - 2¹³ = 153847157 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 (153850349) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3344659 + ... + 3344704.

It is an arithmetic number, because the mean of its divisors is an integer number (40136184).

Almost surely, 2^153855349 is an apocalyptic number.

It is an amenable number.

153855349 is a deficient number, since it is larger than the sum of its proper divisors (6689387).

153855349 is an equidigital number, since it uses as much as digits as its factorization.

153855349 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6689386.

The product of its digits is 324000, while the sum is 43.

The square root of 153855349 is about 12403.8441218842. The cubic root of 153855349 is about 535.8429649219.

The spelling of 153855349 in words is "one hundred fifty-three million, eight hundred fifty-five thousand, three hundred forty-nine".