145731471703 has 2 divisors, whose sum is σ = 145731471704. Its totient is φ = 145731471702.

The previous prime is 145731471661. The next prime is 145731471719. The reversal of 145731471703 is 307174137541.

It is a strong prime.

It is an emirp because it is prime and its reverse (307174137541) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 145731471703 - 2⁹ = 145731471191 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 145731471703.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (145731471733) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72865735851 + 72865735852.

It is an arithmetic number, because the mean of its divisors is an integer number (72865735852).

Almost surely, 2^145731471703 is an apocalyptic number.

145731471703 is a deficient number, since it is larger than the sum of its proper divisors (1).

145731471703 is an equidigital number, since it uses as much as digits as its factorization.

145731471703 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 246960, while the sum is 43.

The spelling of 145731471703 in words is "one hundred forty-five billion, seven hundred thirty-one million, four hundred seventy-one thousand, seven hundred three".