155413303 has 16 divisors (see below), whose sum is σ = 168497280. Its totient is φ = 142811136.

The previous prime is 155413289. The next prime is 155413333. The reversal of 155413303 is 303314551.

It is a cyclic number.

It is not a de Polignac number, because 155413303 - 2⁹ = 155412791 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 (155413333) 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, 129675 + ... + 130867.

It is an arithmetic number, because the mean of its divisors is an integer number (10531080).

Almost surely, 2^155413303 is an apocalyptic number.

155413303 is a deficient number, since it is larger than the sum of its proper divisors (13083977).

155413303 is a wasteful number, since it uses less digits than its factorization.

155413303 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1386.

The product of its (nonzero) digits is 2700, while the sum is 25.

The square root of 155413303 is about 12466.4871956779. The cubic root of 155413303 is about 537.6455598564.

Adding to 155413303 its reverse (303314551), we get a palindrome (458727854).

The spelling of 155413303 in words is "one hundred fifty-five million, four hundred thirteen thousand, three hundred three".