155628955 has 8 divisors (see below), whose sum is σ = 186821712. Its totient is φ = 124458528.

The previous prime is 155628953. The next prime is 155629003. The reversal of 155628955 is 559826551.

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

It is a cyclic number.

It is not a de Polignac number, because 155628955 - 2¹ = 155628953 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (155628953) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24544 + ... + 30226.

It is an arithmetic number, because the mean of its divisors is an integer number (23352714).

Almost surely, 2^155628955 is an apocalyptic number.

155628955 is a deficient number, since it is larger than the sum of its proper divisors (31192757).

155628955 is an equidigital number, since it uses as much as digits as its factorization.

155628955 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11165.

The product of its digits is 540000, while the sum is 46.

The square root of 155628955 is about 12475.1334662199. The cubic root of 155628955 is about 537.8941244925.

The spelling of 155628955 in words is "one hundred fifty-five million, six hundred twenty-eight thousand, nine hundred fifty-five".