145499625071 has 2 divisors, whose sum is σ = 145499625072. Its totient is φ = 145499625070.

The previous prime is 145499625059. The next prime is 145499625107. The reversal of 145499625071 is 170526994541.

Together with next prime (145499625107) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 145499625071 - 2¹⁸ = 145499362927 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (145499622071) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72749812535 + 72749812536.

It is an arithmetic number, because the mean of its divisors is an integer number (72749812536).

Almost surely, 2^145499625071 is an apocalyptic number.

145499625071 is a deficient number, since it is larger than the sum of its proper divisors (1).

145499625071 is an equidigital number, since it uses as much as digits as its factorization.

145499625071 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2721600, while the sum is 53.

The spelling of 145499625071 in words is "one hundred forty-five billion, four hundred ninety-nine million, six hundred twenty-five thousand, seventy-one".