45240378 has 8 divisors (see below), whose sum is σ = 90480768. Its totient is φ = 15080124.

The previous prime is 45240373. The next prime is 45240397. The reversal of 45240378 is 87304254.

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

45240378 is an admirable number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (45240373) 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 3 ways as a sum of consecutive naturals, for example, 3770026 + ... + 3770037.

It is an arithmetic number, because the mean of its divisors is an integer number (11310096).

Almost surely, 2^45240378 is an apocalyptic number.

45240378 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

45240378 is a wasteful number, since it uses less digits than its factorization.

45240378 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7540068.

The product of its (nonzero) digits is 26880, while the sum is 33.

The square root of 45240378 is about 6726.0967878852. The cubic root of 45240378 is about 356.3215386035.

The spelling of 45240378 in words is "forty-five million, two hundred forty thousand, three hundred seventy-eight".