45745378 has 16 divisors (see below), whose sum is σ = 80245440. Its totient is φ = 19148976.

The previous prime is 45745361. The next prime is 45745379. The reversal of 45745378 is 87354754.

It is a Harshad number since it is a multiple of its sum of digits (43).

It is not an unprimeable number, because it can be changed into a prime (45745379) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 37393 + ... + 38596.

It is an arithmetic number, because the mean of its divisors is an integer number (5015340).

Almost surely, 2^45745378 is an apocalyptic number.

45745378 is a deficient number, since it is larger than the sum of its proper divisors (34500062).

45745378 is a wasteful number, since it uses less digits than its factorization.

45745378 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76041.

The product of its digits is 470400, while the sum is 43.

The square root of 45745378 is about 6763.5329525330. The cubic root of 45745378 is about 357.6424600541.

The spelling of 45745378 in words is "forty-five million, seven hundred forty-five thousand, three hundred seventy-eight".