145615031203 has 2 divisors, whose sum is σ = 145615031204. Its totient is φ = 145615031202.

The previous prime is 145615031189. The next prime is 145615031227. The reversal of 145615031203 is 302130516541.

145615031203 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 145615031203 - 2¹⁷ = 145614900131 is a prime.

It is not a weakly prime, because it can be changed into another prime (145615031273) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72807515601 + 72807515602.

It is an arithmetic number, because the mean of its divisors is an integer number (72807515602).

Almost surely, 2^145615031203 is an apocalyptic number.

145615031203 is a deficient number, since it is larger than the sum of its proper divisors (1).

145615031203 is an equidigital number, since it uses as much as digits as its factorization.

145615031203 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10800, while the sum is 31.

Adding to 145615031203 its reverse (302130516541), we get a palindrome (447745547744).

The spelling of 145615031203 in words is "one hundred forty-five billion, six hundred fifteen million, thirty-one thousand, two hundred three".