4154445 has 48 divisors (see below), whose sum is σ = 7824960. Its totient is φ = 2032128.

The previous prime is 4154419. The next prime is 4154461. The reversal of 4154445 is 5444514.

It is not a de Polignac number, because 4154445 - 2¹⁰ = 4153421 is a prime.

It is a Curzon number.

4154445 is a lucky number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 36709 + ... + 36821.

It is an arithmetic number, because the mean of its divisors is an integer number (163020).

Almost surely, 2^4154445 is an apocalyptic number.

4154445 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

4154445 is a deficient number, since it is larger than the sum of its proper divisors (3670515).

4154445 is a wasteful number, since it uses less digits than its factorization.

4154445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 186 (or 183 counting only the distinct ones).

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

The square root of 4154445 is about 2038.2455691108. The cubic root of 4154445 is about 160.7574114955.

Adding to 4154445 its reverse (5444514), we get a palindrome (9598959).

It can be divided in two parts, 4 and 154445, that added together give a square (154449 = 393²).

The spelling of 4154445 in words is "four million, one hundred fifty-four thousand, four hundred forty-five".