145454641 has 2 divisors, whose sum is σ = 145454642. Its totient is φ = 145454640.

The previous prime is 145454629. The next prime is 145454651. The reversal of 145454641 is 146454541.

145454641 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 113870241 + 31584400 = 10671^2 + 5620^2 .

It is a cyclic number.

It is not a de Polignac number, because 145454641 - 2⁵ = 145454609 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 145454597 and 145454606.

It is not a weakly prime, because it can be changed into another prime (145454651) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72727320 + 72727321.

It is an arithmetic number, because the mean of its divisors is an integer number (72727321).

Almost surely, 2^145454641 is an apocalyptic number.

It is an amenable number.

145454641 is a deficient number, since it is larger than the sum of its proper divisors (1).

145454641 is an equidigital number, since it uses as much as digits as its factorization.

145454641 is an evil number, because the sum of its binary digits is even.

The product of its digits is 38400, while the sum is 34.

The square root of 145454641 is about 12060.4577442152. The cubic root of 145454641 is about 525.9072940176.

The spelling of 145454641 in words is "one hundred forty-five million, four hundred fifty-four thousand, six hundred forty-one".