145577599 has 2 divisors, whose sum is σ = 145577600. Its totient is φ = 145577598.

The previous prime is 145577569. The next prime is 145577609. The reversal of 145577599 is 995775541.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 145577599 - 2²³ = 137188991 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (145577539) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72788799 + 72788800.

It is an arithmetic number, because the mean of its divisors is an integer number (72788800).

Almost surely, 2^145577599 is an apocalyptic number.

145577599 is a deficient number, since it is larger than the sum of its proper divisors (1).

145577599 is an equidigital number, since it uses as much as digits as its factorization.

145577599 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1984500, while the sum is 52.

The square root of 145577599 is about 12065.5542350942. The cubic root of 145577599 is about 526.0554416832.

The spelling of 145577599 in words is "one hundred forty-five million, five hundred seventy-seven thousand, five hundred ninety-nine".