145530611 has 2 divisors, whose sum is σ = 145530612. Its totient is φ = 145530610.

The previous prime is 145530601. The next prime is 145530631. The reversal of 145530611 is 116035541.

It is a weak prime.

It is an emirp because it is prime and its reverse (116035541) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 145530611 - 2¹⁴ = 145514227 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (145530601) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72765305 + 72765306.

It is an arithmetic number, because the mean of its divisors is an integer number (72765306).

Almost surely, 2^145530611 is an apocalyptic number.

145530611 is a deficient number, since it is larger than the sum of its proper divisors (1).

145530611 is an equidigital number, since it uses as much as digits as its factorization.

145530611 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1800, while the sum is 26.

The square root of 145530611 is about 12063.6068818575. The cubic root of 145530611 is about 525.9988373860.

The spelling of 145530611 in words is "one hundred forty-five million, five hundred thirty thousand, six hundred eleven".