145081319 has 2 divisors, whose sum is σ = 145081320. Its totient is φ = 145081318.

The previous prime is 145081297. The next prime is 145081327. The reversal of 145081319 is 913180541.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 145081319 - 2¹² = 145077223 is a prime.

It is a super-2 number, since 2×145081319² = 42097178245559522, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (145081379) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72540659 + 72540660.

It is an arithmetic number, because the mean of its divisors is an integer number (72540660).

Almost surely, 2^145081319 is an apocalyptic number.

145081319 is a deficient number, since it is larger than the sum of its proper divisors (1).

145081319 is an equidigital number, since it uses as much as digits as its factorization.

145081319 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4320, while the sum is 32.

The square root of 145081319 is about 12044.9706931981. The cubic root of 145081319 is about 525.4569795879.

The spelling of 145081319 in words is "one hundred forty-five million, eighty-one thousand, three hundred nineteen".