45378572 has 6 divisors (see below), whose sum is σ = 79412508. Its totient is φ = 22689284.

The previous prime is 45378527. The next prime is 45378577. The reversal of 45378572 is 27587354.

It is not an unprimeable number, because it can be changed into a prime (45378577) 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 as a sum of consecutive naturals, namely, 5672318 + ... + 5672325.

It is an arithmetic number, because the mean of its divisors is an integer number (13235418).

Almost surely, 2^45378572 is an apocalyptic number.

It is an amenable number.

45378572 is a deficient number, since it is larger than the sum of its proper divisors (34033936).

45378572 is a wasteful number, since it uses less digits than its factorization.

45378572 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11344647 (or 11344645 counting only the distinct ones).

The product of its digits is 235200, while the sum is 41.

The square root of 45378572 is about 6736.3619261438. The cubic root of 45378572 is about 356.6839835926.

The spelling of 45378572 in words is "forty-five million, three hundred seventy-eight thousand, five hundred seventy-two".