155353253 has 16 divisors (see below), whose sum is σ = 179504640. Its totient is φ = 132966000.

The previous prime is 155353241. The next prime is 155353267. The reversal of 155353253 is 352353551.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-155353253 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (155353273) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 32678 + ... + 37128.

It is an arithmetic number, because the mean of its divisors is an integer number (11219040).

Almost surely, 2^155353253 is an apocalyptic number.

It is an amenable number.

155353253 is a deficient number, since it is larger than the sum of its proper divisors (24151387).

155353253 is a wasteful number, since it uses less digits than its factorization.

155353253 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4648.

The product of its digits is 33750, while the sum is 32.

The square root of 155353253 is about 12464.0785058503. The cubic root of 155353253 is about 537.5763041483.

The spelling of 155353253 in words is "one hundred fifty-five million, three hundred fifty-three thousand, two hundred fifty-three".