193937045 has 8 divisors (see below), whose sum is σ = 233034840. Its totient is φ = 154942720.

The previous prime is 193937039. The next prime is 193937057. The reversal of 193937045 is 540739391.

It can be written as a sum of positive squares in 4 ways, for example, as 10903204 + 183033841 = 3302^2 + 13529^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2^k-193937045 is a prime.

It is a super-2 number, since 2×193937045² = 75223154846664050, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 193936993 and 193937011.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21680 + ... + 29289.

It is an arithmetic number, because the mean of its divisors is an integer number (29129355).

Almost surely, 2^193937045 is an apocalyptic number.

It is an amenable number.

193937045 is a deficient number, since it is larger than the sum of its proper divisors (39097795).

193937045 is an equidigital number, since it uses as much as digits as its factorization.

193937045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51735.

The product of its (nonzero) digits is 102060, while the sum is 41.

The square root of 193937045 is about 13926.1281410161. The cubic root of 193937045 is about 578.8334111875.

The spelling of 193937045 in words is "one hundred ninety-three million, nine hundred thirty-seven thousand, forty-five".