145494511 has 2 divisors, whose sum is σ = 145494512. Its totient is φ = 145494510.

The previous prime is 145494491. The next prime is 145494521. The reversal of 145494511 is 115494541.

145494511 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 a cyclic number.

It is not a de Polignac number, because 145494511 - 2²⁵ = 111940079 is a prime.

It is a super-3 number, since 3×145494511³ (a number of 25 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (145494521) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72747255 + 72747256.

It is an arithmetic number, because the mean of its divisors is an integer number (72747256).

Almost surely, 2^145494511 is an apocalyptic number.

145494511 is a deficient number, since it is larger than the sum of its proper divisors (1).

145494511 is an equidigital number, since it uses as much as digits as its factorization.

145494511 is an evil number, because the sum of its binary digits is even.

The product of its digits is 14400, while the sum is 34.

The square root of 145494511 is about 12062.1105532987. The cubic root of 145494511 is about 525.9553410884.

The spelling of 145494511 in words is "one hundred forty-five million, four hundred ninety-four thousand, five hundred eleven".