145450579 has 4 divisors (see below), whose sum is σ = 145497384. Its totient is φ = 145403776.

The previous prime is 145450577. The next prime is 145450583. The reversal of 145450579 is 975054541.

145450579 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 145450579 - 2¹ = 145450577 is a prime.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (145450577) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18382 + ... + 25075.

It is an arithmetic number, because the mean of its divisors is an integer number (36374346).

Almost surely, 2^145450579 is an apocalyptic number.

145450579 is a deficient number, since it is larger than the sum of its proper divisors (46805).

145450579 is an equidigital number, since it uses as much as digits as its factorization.

145450579 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46804.

The product of its (nonzero) digits is 126000, while the sum is 40.

The square root of 145450579 is about 12060.2893414710. The cubic root of 145450579 is about 525.9023984357.

The spelling of 145450579 in words is "one hundred forty-five million, four hundred fifty thousand, five hundred seventy-nine".