103550155 has 8 divisors (see below), whose sum is σ = 128545200. Its totient is φ = 79983456.

The previous prime is 103550147. The next prime is 103550173. The reversal of 103550155 is 551055301.

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 103550155 - 2³ = 103550147 is a prime.

It is a super-3 number, since 3×103550155³ (a number of 25 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 356925 + ... + 357214.

It is an arithmetic number, because the mean of its divisors is an integer number (16068150).

Almost surely, 2^103550155 is an apocalyptic number.

103550155 is a deficient number, since it is larger than the sum of its proper divisors (24995045).

103550155 is an equidigital number, since it uses as much as digits as its factorization.

103550155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 714173.

The product of its (nonzero) digits is 1875, while the sum is 25.

The square root of 103550155 is about 10175.9596599043. The cubic root of 103550155 is about 469.5879215932.

The spelling of 103550155 in words is "one hundred three million, five hundred fifty thousand, one hundred fifty-five".