201470245 has 4 divisors (see below), whose sum is σ = 241764300. Its totient is φ = 161176192.

The previous prime is 201470237. The next prime is 201470249. The reversal of 201470245 is 542074102.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 542074102 = 2 ⋅271037051.

It can be written as a sum of positive squares in 2 ways, for example, as 145130209 + 56340036 = 12047^2 + 7506^2 .

It is a cyclic number.

It is not a de Polignac number, because 201470245 - 2³ = 201470237 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201470249) 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, 20147020 + ... + 20147029.

It is an arithmetic number, because the mean of its divisors is an integer number (60441075).

Almost surely, 2^201470245 is an apocalyptic number.

It is an amenable number.

201470245 is a deficient number, since it is larger than the sum of its proper divisors (40294055).

201470245 is an equidigital number, since it uses as much as digits as its factorization.

201470245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40294054.

The product of its (nonzero) digits is 2240, while the sum is 25.

The square root of 201470245 is about 14194.0214527103. The cubic root of 201470245 is about 586.2330579465.

The spelling of 201470245 in words is "two hundred one million, four hundred seventy thousand, two hundred forty-five".