45478884 has 48 divisors (see below), whose sum is σ = 116827200. Its totient is φ = 13655040.

The previous prime is 45478871. The next prime is 45478897. The reversal of 45478884 is 48887454.

It is an interprime number because it is at equal distance from previous prime (45478871) and next prime (45478897).

It is a super-3 number, since 3×45478884³ (a number of 24 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13392 + ... + 16440.

It is an arithmetic number, because the mean of its divisors is an integer number (2433900).

Almost surely, 2^45478884 is an apocalyptic number.

45478884 is a gapful number since it is divisible by the number (44) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 45478884, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (58413600).

45478884 is an abundant number, since it is smaller than the sum of its proper divisors (71348316).

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

45478884 is a wasteful number, since it uses less digits than its factorization.

45478884 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3180 (or 3178 counting only the distinct ones).

The product of its digits is 1146880, while the sum is 48.

The square root of 45478884 is about 6743.8033779166. The cubic root of 45478884 is about 356.9466138029.

It can be divided in two parts, 4547 and 8884, that added together give a palindrome (13431).

The spelling of 45478884 in words is "forty-five million, four hundred seventy-eight thousand, eight hundred eighty-four".