145789597 has 2 divisors, whose sum is σ = 145789598. Its totient is φ = 145789596.

The previous prime is 145789547. The next prime is 145789601. The reversal of 145789597 is 795987541.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 109537156 + 36252441 = 10466^2 + 6021^2 .

It is an emirp because it is prime and its reverse (795987541) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 145789597 - 2¹¹ = 145787549 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (145789517) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72894798 + 72894799.

It is an arithmetic number, because the mean of its divisors is an integer number (72894799).

Almost surely, 2^145789597 is an apocalyptic number.

It is an amenable number.

145789597 is a deficient number, since it is larger than the sum of its proper divisors (1).

145789597 is an equidigital number, since it uses as much as digits as its factorization.

145789597 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3175200, while the sum is 55.

The square root of 145789597 is about 12074.3362964595. The cubic root of 145789597 is about 526.3106746561.

The spelling of 145789597 in words is "one hundred forty-five million, seven hundred eighty-nine thousand, five hundred ninety-seven".