145345622462503 has 2 divisors, whose sum is σ = 145345622462504. Its totient is φ = 145345622462502.

The previous prime is 145345622462449. The next prime is 145345622462519. The reversal of 145345622462503 is 305264226543541.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-145345622462503 is a prime.

It is a super-2 number, since 2×145345622462503² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (145345622462003) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72672811231251 + 72672811231252.

It is an arithmetic number, because the mean of its divisors is an integer number (72672811231252).

Almost surely, 2^{145345622462503} is an apocalyptic number.

145345622462503 is a deficient number, since it is larger than the sum of its proper divisors (1).

145345622462503 is an equidigital number, since it uses as much as digits as its factorization.

145345622462503 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 20736000, while the sum is 52.

The spelling of 145345622462503 in words is "one hundred forty-five trillion, three hundred forty-five billion, six hundred twenty-two million, four hundred sixty-two thousand, five hundred three".