145959019 has 2 divisors, whose sum is σ = 145959020. Its totient is φ = 145959018.

The previous prime is 145959013. The next prime is 145959029. The reversal of 145959019 is 910959541.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 145959019 - 2¹⁷ = 145827947 is a prime.

It is a super-2 number, since 2×145959019² = 42608070454884722, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (145959013) 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, 72979509 + 72979510.

It is an arithmetic number, because the mean of its divisors is an integer number (72979510).

Almost surely, 2^145959019 is an apocalyptic number.

145959019 is a deficient number, since it is larger than the sum of its proper divisors (1).

145959019 is an equidigital number, since it uses as much as digits as its factorization.

145959019 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 72900, while the sum is 43.

The square root of 145959019 is about 12081.3500487321. The cubic root of 145959019 is about 526.5144708352.

The spelling of 145959019 in words is "one hundred forty-five million, nine hundred fifty-nine thousand, nineteen".