145338054503 has 2 divisors, whose sum is σ = 145338054504. Its totient is φ = 145338054502.

The previous prime is 145338054497. The next prime is 145338054553. The reversal of 145338054503 is 305450833541.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 145338054503 - 2⁴ = 145338054487 is a prime.

It is a super-2 number, since 2×145338054503² (a number of 23 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (145338054553) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72669027251 + 72669027252.

It is an arithmetic number, because the mean of its divisors is an integer number (72669027252).

Almost surely, 2^145338054503 is an apocalyptic number.

145338054503 is a deficient number, since it is larger than the sum of its proper divisors (1).

145338054503 is an equidigital number, since it uses as much as digits as its factorization.

145338054503 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 432000, while the sum is 41.

The spelling of 145338054503 in words is "one hundred forty-five billion, three hundred thirty-eight million, fifty-four thousand, five hundred three".