145205036203 has 2 divisors, whose sum is σ = 145205036204. Its totient is φ = 145205036202.

The previous prime is 145205036183. The next prime is 145205036269. The reversal of 145205036203 is 302630502541.

It is a happy number.

It is a weak prime.

It is an emirp because it is prime and its reverse (302630502541) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 145205036203 - 2¹³ = 145205028011 is a prime.

It is not a weakly prime, because it can be changed into another prime (145205036303) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72602518101 + 72602518102.

It is an arithmetic number, because the mean of its divisors is an integer number (72602518102).

Almost surely, 2^145205036203 is an apocalyptic number.

145205036203 is a deficient number, since it is larger than the sum of its proper divisors (1).

145205036203 is an equidigital number, since it uses as much as digits as its factorization.

145205036203 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 21600, while the sum is 31.

Adding to 145205036203 its reverse (302630502541), we get a palindrome (447835538744).

The spelling of 145205036203 in words is "one hundred forty-five billion, two hundred five million, thirty-six thousand, two hundred three".