145244045 has 8 divisors (see below), whose sum is σ = 175042296. Its totient is φ = 115695616.

The previous prime is 145244041. The next prime is 145244059. The reversal of 145244045 is 540442541.

145244045 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 37478884 + 107765161 = 6122^2 + 10381^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 145244045 - 2² = 145244041 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 145243999 and 145244017.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145244041) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 61172 + ... + 63501.

It is an arithmetic number, because the mean of its divisors is an integer number (21880287).

Almost surely, 2^145244045 is an apocalyptic number.

It is an amenable number.

145244045 is a deficient number, since it is larger than the sum of its proper divisors (29798251).

145244045 is a wasteful number, since it uses less digits than its factorization.

145244045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 124911.

The product of its (nonzero) digits is 12800, while the sum is 29.

The square root of 145244045 is about 12051.7237356322. The cubic root of 145244045 is about 525.6533604056.

Adding to 145244045 its reverse (540442541), we get a palindrome (685686586).

The spelling of 145244045 in words is "one hundred forty-five million, two hundred forty-four thousand, forty-five".