366378545 has 8 divisors (see below), whose sum is σ = 473473896. Its totient is φ = 270556416.

The previous prime is 366378541. The next prime is 366378581. The reversal of 366378545 is 545873663.

It can be written as a sum of positive squares in 4 ways, for example, as 18593344 + 347785201 = 4312^2 + 18649^2 .

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

It is not a de Polignac number, because 366378545 - 2² = 366378541 is a prime.

It is a super-3 number, since 3×366378545³ (a number of 27 digits) contains 333 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 366378545.

It is not an unprimeable number, because it can be changed into a prime (366378541) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2818232 + ... + 2818361.

It is an arithmetic number, because the mean of its divisors is an integer number (59184237).

Almost surely, 2^366378545 is an apocalyptic number.

It is an amenable number.

366378545 is a deficient number, since it is larger than the sum of its proper divisors (107095351).

366378545 is a wasteful number, since it uses less digits than its factorization.

366378545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5636611.

The product of its digits is 1814400, while the sum is 47.

The square root of 366378545 is about 19141.0173449584. The cubic root of 366378545 is about 715.5555335023. Note that the first 4 decimals are identical.

The spelling of 366378545 in words is "three hundred sixty-six million, three hundred seventy-eight thousand, five hundred forty-five".