944545145 has 4 divisors (see below), whose sum is σ = 1133454180. Its totient is φ = 755636112.

The previous prime is 944545141. The next prime is 944545201. The reversal of 944545145 is 541545449.

944545145 is digitally balanced in base 6, 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, and also an emirpimes, since its reverse is a distinct semiprime: 541545449 = 29 ⋅18673981.

It can be written as a sum of positive squares in 2 ways, for example, as 298978681 + 645566464 = 17291^2 + 25408^2 .

It is a cyclic number.

It is not a de Polignac number, because 944545145 - 2² = 944545141 is a prime.

It is not an unprimeable number, because it can be changed into a prime (944545141) 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, 94454510 + ... + 94454519.

It is an arithmetic number, because the mean of its divisors is an integer number (283363545).

Almost surely, 2^944545145 is an apocalyptic number.

It is an amenable number.

944545145 is a deficient number, since it is larger than the sum of its proper divisors (188909035).

944545145 is a wasteful number, since it uses less digits than its factorization.

944545145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 188909034.

The product of its digits is 288000, while the sum is 41.

The square root of 944545145 is about 30733.4531902941. The cubic root of 944545145 is about 981.1624221945.

It can be divided in two parts, 94454 and 5145, that added together give a palindrome (99599).

The spelling of 944545145 in words is "nine hundred forty-four million, five hundred forty-five thousand, one hundred forty-five".