145316719 has 2 divisors, whose sum is σ = 145316720. Its totient is φ = 145316718.

The previous prime is 145316707. The next prime is 145316753. The reversal of 145316719 is 917613541.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 145316719 - 2⁵ = 145316687 is a prime.

It is a super-2 number, since 2×145316719² = 42233897641849922, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (145316789) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72658359 + 72658360.

It is an arithmetic number, because the mean of its divisors is an integer number (72658360).

Almost surely, 2^145316719 is an apocalyptic number.

145316719 is a deficient number, since it is larger than the sum of its proper divisors (1).

145316719 is an equidigital number, since it uses as much as digits as its factorization.

145316719 is an evil number, because the sum of its binary digits is even.

The product of its digits is 22680, while the sum is 37.

The square root of 145316719 is about 12054.7384459390. The cubic root of 145316719 is about 525.7410173847.

The spelling of 145316719 in words is "one hundred forty-five million, three hundred sixteen thousand, seven hundred nineteen".