145506341 has 2 divisors, whose sum is σ = 145506342. Its totient is φ = 145506340.

The previous prime is 145506337. The next prime is 145506353. The reversal of 145506341 is 143605541.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 142898116 + 2608225 = 11954^2 + 1615^2 .

It is an emirp because it is prime and its reverse (143605541) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 145506341 - 2² = 145506337 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (145506241) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72753170 + 72753171.

It is an arithmetic number, because the mean of its divisors is an integer number (72753171).

Almost surely, 2^145506341 is an apocalyptic number.

It is an amenable number.

145506341 is a deficient number, since it is larger than the sum of its proper divisors (1).

145506341 is an equidigital number, since it uses as much as digits as its factorization.

145506341 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7200, while the sum is 29.

The square root of 145506341 is about 12062.6009218576. The cubic root of 145506341 is about 525.9695956537.

The spelling of 145506341 in words is "one hundred forty-five million, five hundred six thousand, three hundred forty-one".