155120286 has 16 divisors (see below), whose sum is σ = 310362624. Its totient is φ = 51686424.

The previous prime is 155120281. The next prime is 155120297. The reversal of 155120286 is 682021551.

155120286 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (155120281) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27565 + ... + 32711.

It is an arithmetic number, because the mean of its divisors is an integer number (19397664).

Almost surely, 2^155120286 is an apocalyptic number.

155120286 is an abundant number, since it is smaller than the sum of its proper divisors (155242338).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

155120286 is a wasteful number, since it uses less digits than its factorization.

155120286 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10175.

The product of its (nonzero) digits is 4800, while the sum is 30.

The square root of 155120286 is about 12454.7294631397. The cubic root of 155120286 is about 537.3074540910.

The spelling of 155120286 in words is "one hundred fifty-five million, one hundred twenty thousand, two hundred eighty-six".