378106645 has 8 divisors (see below), whose sum is σ = 518546304. Its totient is φ = 259273104.

The previous prime is 378106643. The next prime is 378106667. The reversal of 378106645 is 546601873.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 378106645 - 2¹ = 378106643 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 378106598 and 378106607.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (378106643) 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, 5401489 + ... + 5401558.

It is an arithmetic number, because the mean of its divisors is an integer number (64818288).

Almost surely, 2^378106645 is an apocalyptic number.

378106645 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

378106645 is a deficient number, since it is larger than the sum of its proper divisors (140439659).

378106645 is a wasteful number, since it uses less digits than its factorization.

378106645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10803059.

The product of its (nonzero) digits is 120960, while the sum is 40.

The square root of 378106645 is about 19444.9645152672. The cubic root of 378106645 is about 723.1106701133.

The spelling of 378106645 in words is "three hundred seventy-eight million, one hundred six thousand, six hundred forty-five".