378369045 has 24 divisors (see below), whose sum is σ = 656479512. Its totient is φ = 201600000.

The previous prime is 378369041. The next prime is 378369053. The reversal of 378369045 is 540963873.

It can be written as a sum of positive squares in 4 ways, for example, as 3017169 + 375351876 = 1737^2 + 19374^2 .

It is not a de Polignac number, because 378369045 - 2² = 378369041 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (378369041) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 50545 + ... + 57545.

It is an arithmetic number, because the mean of its divisors is an integer number (27353313).

Almost surely, 2^378369045 is an apocalyptic number.

It is an amenable number.

378369045 is a deficient number, since it is larger than the sum of its proper divisors (278110467).

378369045 is a wasteful number, since it uses less digits than its factorization.

378369045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8213 (or 8210 counting only the distinct ones).

The product of its (nonzero) digits is 544320, while the sum is 45.

The square root of 378369045 is about 19451.7105931586. The cubic root of 378369045 is about 723.2779072020.

The spelling of 378369045 in words is "three hundred seventy-eight million, three hundred sixty-nine thousand, forty-five".