145180741 has 2 divisors, whose sum is σ = 145180742. Its totient is φ = 145180740.

The previous prime is 145180687. The next prime is 145180787. The reversal of 145180741 is 147081541.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 140541025 + 4639716 = 11855^2 + 2154^2 .

It is a cyclic number.

It is not a de Polignac number, because 145180741 - 2⁷ = 145180613 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 (145183741) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72590370 + 72590371.

It is an arithmetic number, because the mean of its divisors is an integer number (72590371).

Almost surely, 2^145180741 is an apocalyptic number.

It is an amenable number.

145180741 is a deficient number, since it is larger than the sum of its proper divisors (1).

145180741 is an equidigital number, since it uses as much as digits as its factorization.

145180741 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4480, while the sum is 31.

The square root of 145180741 is about 12049.0971031028. The cubic root of 145180741 is about 525.5769813800.

The spelling of 145180741 in words is "one hundred forty-five million, one hundred eighty thousand, seven hundred forty-one".