145511459 has 2 divisors, whose sum is σ = 145511460. Its totient is φ = 145511458.

The previous prime is 145511453. The next prime is 145511521. The reversal of 145511459 is 954115541.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-145511459 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (145511453) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72755729 + 72755730.

It is an arithmetic number, because the mean of its divisors is an integer number (72755730).

Almost surely, 2^145511459 is an apocalyptic number.

145511459 is a deficient number, since it is larger than the sum of its proper divisors (1).

145511459 is an equidigital number, since it uses as much as digits as its factorization.

145511459 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 18000, while the sum is 35.

The square root of 145511459 is about 12062.8130632950. The cubic root of 145511459 is about 525.9757623514.

The spelling of 145511459 in words is "one hundred forty-five million, five hundred eleven thousand, four hundred fifty-nine".