145356215203 has 2 divisors, whose sum is σ = 145356215204. Its totient is φ = 145356215202.

The previous prime is 145356215167. The next prime is 145356215233. The reversal of 145356215203 is 302512653541.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 145356215203 - 2²¹ = 145354118051 is a prime.

It is a super-2 number, since 2×145356215203² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (145356215233) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72678107601 + 72678107602.

It is an arithmetic number, because the mean of its divisors is an integer number (72678107602).

Almost surely, 2^145356215203 is an apocalyptic number.

145356215203 is a deficient number, since it is larger than the sum of its proper divisors (1).

145356215203 is an equidigital number, since it uses as much as digits as its factorization.

145356215203 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 108000, while the sum is 37.

Adding to 145356215203 its reverse (302512653541), we get a palindrome (447868868744).

The spelling of 145356215203 in words is "one hundred forty-five billion, three hundred fifty-six million, two hundred fifteen thousand, two hundred three".