4051445 has 8 divisors (see below), whose sum is σ = 5029560. Its totient is φ = 3129280.

The previous prime is 4051429. The next prime is 4051469. The reversal of 4051445 is 5441504.

It can be written as a sum of positive squares in 4 ways, for example, as 418609 + 3632836 = 647^2 + 1906^2 .

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

It is not a de Polignac number, because 4051445 - 2⁴ = 4051429 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 4051445.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13826 + ... + 14115.

It is an arithmetic number, because the mean of its divisors is an integer number (628695).

Almost surely, 2^4051445 is an apocalyptic number.

It is an amenable number.

4051445 is a deficient number, since it is larger than the sum of its proper divisors (978115).

4051445 is a wasteful number, since it uses less digits than its factorization.

4051445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27975.

The product of its (nonzero) digits is 1600, while the sum is 23.

The square root of 4051445 is about 2012.8201608688. The cubic root of 4051445 is about 159.4177404274.

Adding to 4051445 its reverse (5441504), we get a palindrome (9492949).

It can be divided in two parts, 405 and 1445, that multiplied together give a square (585225 = 765²).

The spelling of 4051445 in words is "four million, fifty-one thousand, four hundred forty-five".