378650045 has 16 divisors (see below), whose sum is σ = 477523200.
Its totient is φ = 287872704.
The previous prime is 378650033. The next prime is 378650093. The reversal of 378650045 is 540056873.
It is a cyclic number.
It is not a de Polignac number, because 378650045 - 218 = 378387901 is a prime.
It is a Curzon number.
It is a junction number, because it is equal to n+sod(n) for n = 378649990 and 378650008.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15845 + ... + 31754.
It is an arithmetic number, because the mean of its divisors is an integer number (29845200).
Almost surely, 2378650045 is an apocalyptic number.
It is an amenable number.
378650045 is a deficient number, since it is larger than the sum of its proper divisors (98873155).
378650045 is a wasteful number, since it uses less digits than its factorization.
378650045 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 47684.
The product of its (nonzero) digits is 100800, while the sum is 38.
The square root of 378650045 is about 19458.9322677273.
The cubic root of 378650045 is about 723.4569130362.
The spelling of 378650045 in words is "three hundred seventy-eight million, six hundred fifty thousand, forty-five".