193855042 has 4 divisors (see below), whose sum is σ = 290782566. Its totient is φ = 96927520.

The previous prime is 193855037. The next prime is 193855073. The reversal of 193855042 is 240558391.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 105288121 + 88566921 = 10261^2 + 9411^2 .

It is a junction number, because it is equal to n+sod(n) for n = 193854992 and 193855010.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 48463759 + ... + 48463762.

Almost surely, 2^193855042 is an apocalyptic number.

193855042 is a deficient number, since it is larger than the sum of its proper divisors (96927524).

193855042 is an equidigital number, since it uses as much as digits as its factorization.

193855042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 96927523.

The product of its (nonzero) digits is 43200, while the sum is 37.

The square root of 193855042 is about 13923.1836158258. The cubic root of 193855042 is about 578.7518163794.

The spelling of 193855042 in words is "one hundred ninety-three million, eight hundred fifty-five thousand, forty-two".