145506353 has 2 divisors, whose sum is σ = 145506354. Its totient is φ = 145506352.

The previous prime is 145506341. The next prime is 145506433. The reversal of 145506353 is 353605541.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 144672784 + 833569 = 12028^2 + 913^2 .

It is a cyclic number.

It is not a de Polignac number, because 145506353 - 2⁴ = 145506337 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (145506323) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72753176 + 72753177.

It is an arithmetic number, because the mean of its divisors is an integer number (72753177).

Almost surely, 2^145506353 is an apocalyptic number.

It is an amenable number.

145506353 is a deficient number, since it is larger than the sum of its proper divisors (1).

145506353 is an equidigital number, since it uses as much as digits as its factorization.

145506353 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 27000, while the sum is 32.

The square root of 145506353 is about 12062.6014192628. The cubic root of 145506353 is about 525.9696101128.

The spelling of 145506353 in words is "one hundred forty-five million, five hundred six thousand, three hundred fifty-three".