379907545 has 4 divisors (see below), whose sum is σ = 455889060. Its totient is φ = 303926032.

The previous prime is 379907543. The next prime is 379907579. The reversal of 379907545 is 545709973.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 545709973 = 2267 ⋅240719.

It can be written as a sum of positive squares in 2 ways, for example, as 135047641 + 244859904 = 11621^2 + 15648^2 .

It is a cyclic number.

It is not a de Polignac number, because 379907545 - 2¹ = 379907543 is a prime.

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (379907543) 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 3 ways as a sum of consecutive naturals, for example, 37990750 + ... + 37990759.

It is an arithmetic number, because the mean of its divisors is an integer number (113972265).

Almost surely, 2^379907545 is an apocalyptic number.

It is an amenable number.

379907545 is a deficient number, since it is larger than the sum of its proper divisors (75981515).

379907545 is an equidigital number, since it uses as much as digits as its factorization.

379907545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75981514.

The product of its (nonzero) digits is 1190700, while the sum is 49.

The square root of 379907545 is about 19491.2171246436. The cubic root of 379907545 is about 724.2568969453.

The spelling of 379907545 in words is "three hundred seventy-nine million, nine hundred seven thousand, five hundred forty-five".