145500071 has 2 divisors, whose sum is σ = 145500072. Its totient is φ = 145500070.

The previous prime is 145500029. The next prime is 145500073. The reversal of 145500071 is 170005541.

145500071 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is an emirp because it is prime and its reverse (170005541) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 145500071 - 2⁶ = 145500007 is a prime.

It is a super-2 number, since 2×145500071² = 42340541322010082, which contains 22 as substring.

Together with 145500073, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (145500073) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72750035 + 72750036.

It is an arithmetic number, because the mean of its divisors is an integer number (72750036).

Almost surely, 2^145500071 is an apocalyptic number.

145500071 is a deficient number, since it is larger than the sum of its proper divisors (1).

145500071 is an equidigital number, since it uses as much as digits as its factorization.

145500071 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 700, while the sum is 23.

The square root of 145500071 is about 12062.3410248591. The cubic root of 145500071 is about 525.9620407098.

The spelling of 145500071 in words is "one hundred forty-five million, five hundred thousand, seventy-one".