145572659 has 2 divisors, whose sum is σ = 145572660. Its totient is φ = 145572658.

The previous prime is 145572643. The next prime is 145572667. The reversal of 145572659 is 956275541.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 145572659 - 2⁴ = 145572643 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (145572619) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72786329 + 72786330.

It is an arithmetic number, because the mean of its divisors is an integer number (72786330).

Almost surely, 2^145572659 is an apocalyptic number.

145572659 is a deficient number, since it is larger than the sum of its proper divisors (1).

145572659 is an equidigital number, since it uses as much as digits as its factorization.

145572659 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 378000, while the sum is 44.

The square root of 145572659 is about 12065.3495183521. The cubic root of 145572659 is about 526.0494912638.

The spelling of 145572659 in words is "one hundred forty-five million, five hundred seventy-two thousand, six hundred fifty-nine".