378345545 has 16 divisors (see below), whose sum is σ = 469297152. Its totient is φ = 292514880.

The previous prime is 378345509. The next prime is 378345553. The reversal of 378345545 is 545543873.

It is not a de Polignac number, because 378345545 - 2⁶ = 378345481 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 378345496 and 378345505.

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, 169859 + ... + 172071.

It is an arithmetic number, because the mean of its divisors is an integer number (29331072).

Almost surely, 2^378345545 is an apocalyptic number.

It is an amenable number.

378345545 is a deficient number, since it is larger than the sum of its proper divisors (90951607).

378345545 is a wasteful number, since it uses less digits than its factorization.

378345545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3352.

The product of its digits is 1008000, while the sum is 44.

The square root of 378345545 is about 19451.1065237945. The cubic root of 378345545 is about 723.2629329479.

The spelling of 378345545 in words is "three hundred seventy-eight million, three hundred forty-five thousand, five hundred forty-five".