155290355 has 16 divisors (see below), whose sum is σ = 204043104. Its totient is φ = 112519680.

The previous prime is 155290351. The next prime is 155290361. The reversal of 155290355 is 553092551.

It is not a de Polignac number, because 155290355 - 2² = 155290351 is a prime.

It is a super-3 number, since 3×155290355³ (a number of 26 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (155290351) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10139 + ... + 20331.

It is an arithmetic number, because the mean of its divisors is an integer number (12752694).

Almost surely, 2^155290355 is an apocalyptic number.

155290355 is a deficient number, since it is larger than the sum of its proper divisors (48752749).

155290355 is a wasteful number, since it uses less digits than its factorization.

155290355 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10486.

The product of its (nonzero) digits is 33750, while the sum is 35.

The square root of 155290355 is about 12461.5550795236. Note that the first 3 decimals coincide. The cubic root of 155290355 is about 537.5037447008.

The spelling of 155290355 in words is "one hundred fifty-five million, two hundred ninety thousand, three hundred fifty-five".