16145201 has 2 divisors, whose sum is σ = 16145202. Its totient is φ = 16145200.

The previous prime is 16145197. The next prime is 16145219. The reversal of 16145201 is 10254161.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 8439025 + 7706176 = 2905^2 + 2776^2 .

It is a cyclic number.

It is not a de Polignac number, because 16145201 - 2² = 16145197 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (16145221) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8072600 + 8072601.

It is an arithmetic number, because the mean of its divisors is an integer number (8072601).

Almost surely, 2^16145201 is an apocalyptic number.

It is an amenable number.

16145201 is a deficient number, since it is larger than the sum of its proper divisors (1).

16145201 is an equidigital number, since it uses as much as digits as its factorization.

16145201 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 240, while the sum is 20.

The square root of 16145201 is about 4018.1091324154. The cubic root of 16145201 is about 252.7441731746.

Adding to 16145201 its reverse (10254161), we get a palindrome (26399362).

The spelling of 16145201 in words is "sixteen million, one hundred forty-five thousand, two hundred one".