145601147 has 2 divisors, whose sum is σ = 145601148. Its totient is φ = 145601146.

The previous prime is 145601111. The next prime is 145601149. The reversal of 145601147 is 741106541.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 145601147 - 2¹⁰ = 145600123 is a prime.

Together with 145601149, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (145601149) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72800573 + 72800574.

It is an arithmetic number, because the mean of its divisors is an integer number (72800574).

Almost surely, 2^145601147 is an apocalyptic number.

145601147 is a deficient number, since it is larger than the sum of its proper divisors (1).

145601147 is an equidigital number, since it uses as much as digits as its factorization.

145601147 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3360, while the sum is 29.

The square root of 145601147 is about 12066.5300314548. The cubic root of 145601147 is about 526.0838043016.

Adding to 145601147 its reverse (741106541), we get a palindrome (886707688).

The spelling of 145601147 in words is "one hundred forty-five million, six hundred one thousand, one hundred forty-seven".