1078225345 has 4 divisors (see below), whose sum is σ = 1293870420. Its totient is φ = 862580272.

The previous prime is 1078225333. The next prime is 1078225397. The reversal of 1078225345 is 5435228701.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 830131344 + 248094001 = 28812^2 + 15751^2 .

It is a cyclic number.

It is not a de Polignac number, because 1078225345 - 2¹⁷ = 1078094273 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 107822530 + ... + 107822539.

It is an arithmetic number, because the mean of its divisors is an integer number (323467605).

Almost surely, 2^1078225345 is an apocalyptic number.

It is an amenable number.

1078225345 is a deficient number, since it is larger than the sum of its proper divisors (215645075).

1078225345 is an equidigital number, since it uses as much as digits as its factorization.

1078225345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 215645074.

The product of its (nonzero) digits is 67200, while the sum is 37.

The square root of 1078225345 is about 32836.3418334016. The cubic root of 1078225345 is about 1025.4232937388.

The spelling of 1078225345 in words is "one billion, seventy-eight million, two hundred twenty-five thousand, three hundred forty-five".