2245120745 has 8 divisors (see below), whose sum is σ = 3079022784. Its totient is φ = 1539511344.

The previous prime is 2245120739. The next prime is 2245120747. The reversal of 2245120745 is 5470215422.

2245120745 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 2245120745 - 2⁴ = 2245120729 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2245120747) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 32073119 + ... + 32073188.

It is an arithmetic number, because the mean of its divisors is an integer number (384877848).

Almost surely, 2^2245120745 is an apocalyptic number.

It is an amenable number.

2245120745 is a deficient number, since it is larger than the sum of its proper divisors (833902039).

2245120745 is an equidigital number, since it uses as much as digits as its factorization.

2245120745 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64146319.

The product of its (nonzero) digits is 22400, while the sum is 32.

The square root of 2245120745 is about 47382.7051253936. The cubic root of 2245120745 is about 1309.4228067332.

The spelling of 2245120745 in words is "two billion, two hundred forty-five million, one hundred twenty thousand, seven hundred forty-five".