145832459 has 2 divisors, whose sum is σ = 145832460. Its totient is φ = 145832458.

The previous prime is 145832441. The next prime is 145832471. The reversal of 145832459 is 954238541.

It is a strong prime.

It is an emirp because it is prime and its reverse (954238541) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-145832459 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (145832359) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72916229 + 72916230.

It is an arithmetic number, because the mean of its divisors is an integer number (72916230).

Almost surely, 2^145832459 is an apocalyptic number.

145832459 is a deficient number, since it is larger than the sum of its proper divisors (1).

145832459 is an equidigital number, since it uses as much as digits as its factorization.

145832459 is an evil number, because the sum of its binary digits is even.

The product of its digits is 172800, while the sum is 41.

The square root of 145832459 is about 12076.1110875977. Note that the first 3 decimals coincide. The cubic root of 145832459 is about 526.3622478781.

The spelling of 145832459 in words is "one hundred forty-five million, eight hundred thirty-two thousand, four hundred fifty-nine".