145536241 has 2 divisors, whose sum is σ = 145536242. Its totient is φ = 145536240.

The previous prime is 145536233. The next prime is 145536247. The reversal of 145536241 is 142635541.

It is a happy number.

145536241 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 74909025 + 70627216 = 8655^2 + 8404^2 .

It is an emirp because it is prime and its reverse (142635541) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 145536241 - 2³ = 145536233 is a prime.

It is not a weakly prime, because it can be changed into another prime (145536247) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72768120 + 72768121.

It is an arithmetic number, because the mean of its divisors is an integer number (72768121).

Almost surely, 2^145536241 is an apocalyptic number.

It is an amenable number.

145536241 is a deficient number, since it is larger than the sum of its proper divisors (1).

145536241 is an equidigital number, since it uses as much as digits as its factorization.

145536241 is an evil number, because the sum of its binary digits is even.

The product of its digits is 14400, while the sum is 31.

The square root of 145536241 is about 12063.8402260640. The cubic root of 145536241 is about 526.0056202323.

The spelling of 145536241 in words is "one hundred forty-five million, five hundred thirty-six thousand, two hundred forty-one".