103000155 has 8 divisors (see below), whose sum is σ = 164800272. Its totient is φ = 54933408.

The previous prime is 103000111. The next prime is 103000181. The reversal of 103000155 is 551000301.

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

It is not a de Polignac number, because 103000155 - 2⁶ = 103000091 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (15), and also a Moran number because the ratio is a prime number: 6866677 = 103000155 / (1 + 0 + 3 + 0 + 0 + 0 + 1 + 5 + 5).

It is an unprimeable number.

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, 3433324 + ... + 3433353.

It is an arithmetic number, because the mean of its divisors is an integer number (20600034).

Almost surely, 2^103000155 is an apocalyptic number.

103000155 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

103000155 is a deficient number, since it is larger than the sum of its proper divisors (61800117).

103000155 is an equidigital number, since it uses as much as digits as its factorization.

103000155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6866685.

The product of its (nonzero) digits is 75, while the sum is 15.

The square root of 103000155 is about 10148.8992013913. The cubic root of 103000155 is about 468.7550499012.

Adding to 103000155 its reverse (551000301), we get a palindrome (654000456).

The spelling of 103000155 in words is "one hundred three million, one hundred fifty-five", and thus it is an aban number.