145803719 has 2 divisors, whose sum is σ = 145803720. Its totient is φ = 145803718.

The previous prime is 145803673. The next prime is 145803727. The reversal of 145803719 is 917308541.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 145803719 - 2¹² = 145799623 is a prime.

It is a super-2 number, since 2×145803719² = 42517448948461922, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (145803769) 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, 72901859 + 72901860.

It is an arithmetic number, because the mean of its divisors is an integer number (72901860).

Almost surely, 2^145803719 is an apocalyptic number.

145803719 is a deficient number, since it is larger than the sum of its proper divisors (1).

145803719 is an equidigital number, since it uses as much as digits as its factorization.

145803719 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 30240, while the sum is 38.

The square root of 145803719 is about 12074.9210763466. The cubic root of 145803719 is about 526.3276679110.

The spelling of 145803719 in words is "one hundred forty-five million, eight hundred three thousand, seven hundred nineteen".