193930245 has 24 divisors (see below), whose sum is σ = 353839200. Its totient is φ = 97985376.

The previous prime is 193930241. The next prime is 193930291. The reversal of 193930245 is 542039391.

It is a happy number.

It is not a de Polignac number, because 193930245 - 2² = 193930241 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (193930241) 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, 112555 + ... + 114264.

It is an arithmetic number, because the mean of its divisors is an integer number (14743300).

Almost surely, 2^193930245 is an apocalyptic number.

193930245 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

193930245 is a deficient number, since it is larger than the sum of its proper divisors (159908955).

193930245 is a wasteful number, since it uses less digits than its factorization.

193930245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 226849 (or 226846 counting only the distinct ones).

The product of its (nonzero) digits is 29160, while the sum is 36.

The square root of 193930245 is about 13925.8839934849. The cubic root of 193930245 is about 578.8266459110.

The spelling of 193930245 in words is "one hundred ninety-three million, nine hundred thirty thousand, two hundred forty-five".