145487 has 2 divisors, whose sum is σ = 145488. Its totient is φ = 145486.

The previous prime is 145477. The next prime is 145501. The reversal of 145487 is 784541.

145487 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is an emirp because it is prime and its reverse (784541) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 145487 - 2⁴ = 145471 is a prime.

It is a Chen prime.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 145487.

It is not a weakly prime, because it can be changed into another prime (145417) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72743 + 72744.

It is an arithmetic number, because the mean of its divisors is an integer number (72744).

2¹⁴⁵⁴⁸⁷ is an apocalyptic number.

145487 is a deficient number, since it is larger than the sum of its proper divisors (1).

145487 is an equidigital number, since it uses as much as digits as its factorization.

145487 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4480, while the sum is 29.

The square root of 145487 is about 381.4275815932. The cubic root of 145487 is about 52.5946290304.

The spelling of 145487 in words is "one hundred forty-five thousand, four hundred eighty-seven".