194585046157 has 4 divisors (see below), whose sum is σ = 194602476096. Its totient is φ = 194567616220.

The previous prime is 194585046127. The next prime is 194585046181. The reversal of 194585046157 is 751640585491.

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 not a de Polignac number, because 194585046157 - 2²³ = 194576657549 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 194585046098 and 194585046107.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (194585046127) 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, 8698213 + ... + 8720554.

It is an arithmetic number, because the mean of its divisors is an integer number (48650619024).

Almost surely, 2^194585046157 is an apocalyptic number.

It is an amenable number.

194585046157 is a deficient number, since it is larger than the sum of its proper divisors (17429939).

194585046157 is a wasteful number, since it uses less digits than its factorization.

194585046157 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17429938.

The product of its (nonzero) digits is 6048000, while the sum is 55.

The spelling of 194585046157 in words is "one hundred ninety-four billion, five hundred eighty-five million, forty-six thousand, one hundred fifty-seven".