4544145 has 12 divisors (see below), whose sum is σ = 7876596. Its totient is φ = 2423520.

The previous prime is 4544143. The next prime is 4544147. The reversal of 4544145 is 5414454.

It is an interprime number because it is at equal distance from previous prime (4544143) and next prime (4544147).

It can be written as a sum of positive squares in 2 ways, for example, as 576081 + 3968064 = 759^2 + 1992^2 .

It is not a de Polignac number, because 4544145 - 2¹ = 4544143 is a prime.

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (4544143) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 50446 + ... + 50535.

It is an arithmetic number, because the mean of its divisors is an integer number (656383).

Almost surely, 2^4544145 is an apocalyptic number.

4544145 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

4544145 is a deficient number, since it is larger than the sum of its proper divisors (3332451).

4544145 is a wasteful number, since it uses less digits than its factorization.

4544145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100992 (or 100989 counting only the distinct ones).

The product of its digits is 6400, while the sum is 27.

The square root of 4544145 is about 2131.7000258010. The cubic root of 4544145 is about 165.6344717498.

Adding to 4544145 its reverse (5414454), we get a palindrome (9958599).

The spelling of 4544145 in words is "four million, five hundred forty-four thousand, one hundred forty-five".