155245255 has 8 divisors (see below), whose sum is σ = 203230224. Its totient is φ = 112905600.

The previous prime is 155245253. The next prime is 155245261. The reversal of 155245255 is 552542551.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 155245255 - 2¹ = 155245253 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 155245255.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (155245253) 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 7 ways as a sum of consecutive naturals, for example, 1411266 + ... + 1411375.

It is an arithmetic number, because the mean of its divisors is an integer number (25403778).

Almost surely, 2^155245255 is an apocalyptic number.

155245255 is a deficient number, since it is larger than the sum of its proper divisors (47984969).

155245255 is a wasteful number, since it uses less digits than its factorization.

155245255 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2822657.

The product of its digits is 50000, while the sum is 34.

The square root of 155245255 is about 12459.7453826312. The cubic root of 155245255 is about 537.4517050532.

The spelling of 155245255 in words is "one hundred fifty-five million, two hundred forty-five thousand, two hundred fifty-five".