145530652357 has 2 divisors, whose sum is σ = 145530652358. Its totient is φ = 145530652356.

The previous prime is 145530652321. The next prime is 145530652409. The reversal of 145530652357 is 753256035541.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 138241932481 + 7288719876 = 371809^2 + 85374^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-145530652357 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (145530650357) 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, 72765326178 + 72765326179.

It is an arithmetic number, because the mean of its divisors is an integer number (72765326179).

Almost surely, 2^145530652357 is an apocalyptic number.

It is an amenable number.

145530652357 is a deficient number, since it is larger than the sum of its proper divisors (1).

145530652357 is an equidigital number, since it uses as much as digits as its factorization.

145530652357 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1890000, while the sum is 46.

Adding to 145530652357 its reverse (753256035541), we get a palindrome (898786687898).

The spelling of 145530652357 in words is "one hundred forty-five billion, five hundred thirty million, six hundred fifty-two thousand, three hundred fifty-seven".