145436725201 has 2 divisors, whose sum is σ = 145436725202. Its totient is φ = 145436725200.

The previous prime is 145436725163. The next prime is 145436725237. The reversal of 145436725201 is 102527634541.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 83036185600 + 62400539601 = 288160^2 + 249801^2 .

It is an emirp because it is prime and its reverse (102527634541) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 145436725201 - 2⁹ = 145436724689 is a prime.

It is not a weakly prime, because it can be changed into another prime (145436725261) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72718362600 + 72718362601.

It is an arithmetic number, because the mean of its divisors is an integer number (72718362601).

Almost surely, 2^145436725201 is an apocalyptic number.

It is an amenable number.

145436725201 is a deficient number, since it is larger than the sum of its proper divisors (1).

145436725201 is an equidigital number, since it uses as much as digits as its factorization.

145436725201 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 201600, while the sum is 40.

The spelling of 145436725201 in words is "one hundred forty-five billion, four hundred thirty-six million, seven hundred twenty-five thousand, two hundred one".