145250719 has 2 divisors, whose sum is σ = 145250720. Its totient is φ = 145250718.

The previous prime is 145250701. The next prime is 145250731. The reversal of 145250719 is 917052541.

145250719 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 (917052541) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 145250719 - 2²⁵ = 111696287 is a prime.

It is a super-2 number, since 2×145250719² = 42195542740033922, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (145250519) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72625359 + 72625360.

It is an arithmetic number, because the mean of its divisors is an integer number (72625360).

Almost surely, 2^145250719 is an apocalyptic number.

145250719 is a deficient number, since it is larger than the sum of its proper divisors (1).

145250719 is an equidigital number, since it uses as much as digits as its factorization.

145250719 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12600, while the sum is 34.

The square root of 145250719 is about 12052.0006223033. Note that the first 3 decimals coincide. The cubic root of 145250719 is about 525.6614115832.

The spelling of 145250719 in words is "one hundred forty-five million, two hundred fifty thousand, seven hundred nineteen".