194482155 has 16 divisors (see below), whose sum is σ = 355624704. Its totient is φ = 88906080.

The previous prime is 194482139. The next prime is 194482199. The reversal of 194482155 is 551284491.

It is not a de Polignac number, because 194482155 - 2⁴ = 194482139 is a prime.

It is a super-2 number, since 2×194482155² = 75646617226888050, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 926001 + ... + 926210.

It is an arithmetic number, because the mean of its divisors is an integer number (22226544).

Almost surely, 2^194482155 is an apocalyptic number.

194482155 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

194482155 is a deficient number, since it is larger than the sum of its proper divisors (161142549).

194482155 is a wasteful number, since it uses less digits than its factorization.

194482155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1852226.

The product of its digits is 57600, while the sum is 39.

The square root of 194482155 is about 13945.6858920600. The cubic root of 194482155 is about 579.3752239828.

The spelling of 194482155 in words is "one hundred ninety-four million, four hundred eighty-two thousand, one hundred fifty-five".