45378165 has 48 divisors (see below), whose sum is σ = 85396032. Its totient is φ = 20514816.

The previous prime is 45378143. The next prime is 45378191. The reversal of 45378165 is 56187354.

It is not a de Polignac number, because 45378165 - 2⁷ = 45378037 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 78357 + ... + 78933.

It is an arithmetic number, because the mean of its divisors is an integer number (1779084).

Almost surely, 2^45378165 is an apocalyptic number.

It is an amenable number.

45378165 is a deficient number, since it is larger than the sum of its proper divisors (40017867).

45378165 is a wasteful number, since it uses less digits than its factorization.

45378165 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 706 (or 699 counting only the distinct ones).

The product of its digits is 100800, while the sum is 39.

The square root of 45378165 is about 6736.3317168916. The cubic root of 45378165 is about 356.6829172243.

The spelling of 45378165 in words is "forty-five million, three hundred seventy-eight thousand, one hundred sixty-five".