145628071 has 2 divisors, whose sum is σ = 145628072. Its totient is φ = 145628070.

The previous prime is 145628039. The next prime is 145628081. The reversal of 145628071 is 170826541.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 145628071 - 2⁵ = 145628039 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (145628011) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72814035 + 72814036.

It is an arithmetic number, because the mean of its divisors is an integer number (72814036).

Almost surely, 2^145628071 is an apocalyptic number.

145628071 is a deficient number, since it is larger than the sum of its proper divisors (1).

145628071 is an equidigital number, since it uses as much as digits as its factorization.

145628071 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 13440, while the sum is 34.

The square root of 145628071 is about 12067.6456278762. The cubic root of 145628071 is about 526.1162294294.

The spelling of 145628071 in words is "one hundred forty-five million, six hundred twenty-eight thousand, seventy-one".