145152071 has 2 divisors, whose sum is σ = 145152072. Its totient is φ = 145152070.

The previous prime is 145152053. The next prime is 145152079. The reversal of 145152071 is 170251541.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-145152071 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 145152071.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (145152079) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72576035 + 72576036.

It is an arithmetic number, because the mean of its divisors is an integer number (72576036).

Almost surely, 2^145152071 is an apocalyptic number.

145152071 is a deficient number, since it is larger than the sum of its proper divisors (1).

145152071 is an equidigital number, since it uses as much as digits as its factorization.

145152071 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1400, while the sum is 26.

The square root of 145152071 is about 12047.9073286609. The cubic root of 145152071 is about 525.5423824749.

The spelling of 145152071 in words is "one hundred forty-five million, one hundred fifty-two thousand, seventy-one".