103198155 has 32 divisors (see below), whose sum is σ = 169205760. Its totient is φ = 53688960.

The previous prime is 103198103. The next prime is 103198159. The reversal of 103198155 is 551891301.

It is not a de Polignac number, because 103198155 - 2⁶ = 103198091 is a prime.

It is not an unprimeable number, because it can be changed into a prime (103198159) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 215206 + ... + 215684.

It is an arithmetic number, because the mean of its divisors is an integer number (5287680).

Almost surely, 2^103198155 is an apocalyptic number.

103198155 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

103198155 is a deficient number, since it is larger than the sum of its proper divisors (66007605).

103198155 is a wasteful number, since it uses less digits than its factorization.

103198155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 811.

The product of its (nonzero) digits is 5400, while the sum is 33.

The square root of 103198155 is about 10158.6492704493. The cubic root of 103198155 is about 469.0552245002.

The spelling of 103198155 in words is "one hundred three million, one hundred ninety-eight thousand, one hundred fifty-five".