44145245 has 4 divisors (see below), whose sum is σ = 52974300. Its totient is φ = 35316192.

The previous prime is 44145239. The next prime is 44145251. The reversal of 44145245 is 54254144.

44145245 is digitally balanced in base 2, 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.

It is an interprime number because it is at equal distance from previous prime (44145239) and next prime (44145251).

It can be written as a sum of positive squares in 2 ways, for example, as 12313081 + 31832164 = 3509^2 + 5642^2 .

It is a cyclic number.

It is not a de Polignac number, because 44145245 - 2⁴ = 44145229 is a prime.

It is a super-2 number, since 2×44145245² = 3897605312220050, which contains 22 as substring.

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 3 ways as a sum of consecutive naturals, for example, 4414520 + ... + 4414529.

It is an arithmetic number, because the mean of its divisors is an integer number (13243575).

Almost surely, 2^44145245 is an apocalyptic number.

It is an amenable number.

44145245 is a deficient number, since it is larger than the sum of its proper divisors (8829055).

44145245 is an equidigital number, since it uses as much as digits as its factorization.

44145245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8829054.

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

The square root of 44145245 is about 6644.1888142948. The cubic root of 44145245 is about 353.4228655475.

Adding to 44145245 its reverse (54254144), we get a palindrome (98399389).

The spelling of 44145245 in words is "forty-four million, one hundred forty-five thousand, two hundred forty-five".