45378084 has 12 divisors (see below), whose sum is σ = 105882224. Its totient is φ = 15126024.

The previous prime is 45378071. The next prime is 45378089. The reversal of 45378084 is 48087354.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×45378084² = 4118341015022112, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (45378089) 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, 1890742 + ... + 1890765.

Almost surely, 2^45378084 is an apocalyptic number.

It is an amenable number.

45378084 is an abundant number, since it is smaller than the sum of its proper divisors (60504140).

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

45378084 is a wasteful number, since it uses less digits than its factorization.

45378084 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3781514 (or 3781512 counting only the distinct ones).

The product of its (nonzero) digits is 107520, while the sum is 39.

The square root of 45378084 is about 6736.3257047147. The cubic root of 45378084 is about 356.6827049979.

It can be divided in two parts, 4537 and 8084, that added together give a palindrome (12621).

The spelling of 45378084 in words is "forty-five million, three hundred seventy-eight thousand, eighty-four".