194157 has 24 divisors (see below), whose sum is σ = 314496. Its totient is φ = 119232.
The previous prime is 194149. The next prime is 194167. The reversal of 194157 is 751491.
194157 is digitally balanced in base 7, because in such base it contains all the possibile digits an equal number of times.
It is not a de Polignac number, because 194157 - 23 = 194149 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (27).
It is an Ulam number.
194157 is strictly pandigital in base 7.
It is a self number, because there is not a number n which added to its sum of digits gives 194157.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (194167) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4108 + ... + 4154.
It is an arithmetic number, because the mean of its divisors is an integer number (13104).
2194157 is an apocalyptic number.
194157 is a gapful number since it is divisible by the number (17) formed by its first and last digit.
It is an amenable number.
194157 is a deficient number, since it is larger than the sum of its proper divisors (120339).
194157 is an equidigital number, since it uses as much as digits as its factorization.
194157 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 79 (or 67 counting only the distinct ones).
The product of its digits is 1260, while the sum is 27.
The square root of 194157 is about 440.6324999362. The cubic root of 194157 is about 57.9052157776.
It can be divided in two parts, 194 and 157, that added together give a triangular number (351 = T26).
The spelling of 194157 in words is "one hundred ninety-four thousand, one hundred fifty-seven".
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