145155333545503 has 2 divisors, whose sum is σ = 145155333545504. Its totient is φ = 145155333545502.

The previous prime is 145155333545471. The next prime is 145155333545657. The reversal of 145155333545503 is 305545333551541.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 145155333545503 - 2⁵ = 145155333545471 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (145155333545203) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72577666772751 + 72577666772752.

It is an arithmetic number, because the mean of its divisors is an integer number (72577666772752).

Almost surely, 2^{145155333545503} is an apocalyptic number.

145155333545503 is a deficient number, since it is larger than the sum of its proper divisors (1).

145155333545503 is an equidigital number, since it uses as much as digits as its factorization.

145155333545503 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 20250000, while the sum is 52.

The spelling of 145155333545503 in words is "one hundred forty-five trillion, one hundred fifty-five billion, three hundred thirty-three million, five hundred forty-five thousand, five hundred three".