45478488 has 64 divisors (see below), whose sum is σ = 128056320. Its totient is φ = 13334400.

The previous prime is 45478481. The next prime is 45478507. The reversal of 45478488 is 88487454.

It is a super-2 number, since 2×45478488² = 4136585741532288, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45478481) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5406 + ... + 10962.

It is an arithmetic number, because the mean of its divisors is an integer number (2000880).

Almost surely, 2^45478488 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 45478488, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (64028160).

45478488 is an abundant number, since it is smaller than the sum of its proper divisors (82577832).

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

45478488 is a wasteful number, since it uses less digits than its factorization.

45478488 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5608 (or 5604 counting only the distinct ones).

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

The square root of 45478488 is about 6743.7740175661. The cubic root of 45478488 is about 356.9455777817.

The spelling of 45478488 in words is "forty-five million, four hundred seventy-eight thousand, four hundred eighty-eight".