194514157 has 4 divisors (see below), whose sum is σ = 194667520. Its totient is φ = 194360796.

The previous prime is 194514137. The next prime is 194514167. The reversal of 194514157 is 751415491.

194514157 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-194514157 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (194514137) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 74763 + ... + 77320.

It is an arithmetic number, because the mean of its divisors is an integer number (48666880).

Almost surely, 2^194514157 is an apocalyptic number.

It is an amenable number.

194514157 is a deficient number, since it is larger than the sum of its proper divisors (153363).

194514157 is a wasteful number, since it uses less digits than its factorization.

194514157 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 153362.

The product of its digits is 25200, while the sum is 37.

The square root of 194514157 is about 13946.8332247862. The cubic root of 194514157 is about 579.4070009326.

The spelling of 194514157 in words is "one hundred ninety-four million, five hundred fourteen thousand, one hundred fifty-seven".