145939711 has 2 divisors, whose sum is σ = 145939712. Its totient is φ = 145939710.

The previous prime is 145939709. The next prime is 145939727. The reversal of 145939711 is 117939541.

It is a weak prime.

It is an emirp because it is prime and its reverse (117939541) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 145939711 - 2¹ = 145939709 is a prime.

Together with 145939709, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (145939771) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72969855 + 72969856.

It is an arithmetic number, because the mean of its divisors is an integer number (72969856).

Almost surely, 2^145939711 is an apocalyptic number.

145939711 is a deficient number, since it is larger than the sum of its proper divisors (1).

145939711 is an equidigital number, since it uses as much as digits as its factorization.

145939711 is an evil number, because the sum of its binary digits is even.

The product of its digits is 34020, while the sum is 40.

The square root of 145939711 is about 12080.5509394233. The cubic root of 145939711 is about 526.4912533829.

The spelling of 145939711 in words is "one hundred forty-five million, nine hundred thirty-nine thousand, seven hundred eleven".