45247480 has 32 divisors (see below), whose sum is σ = 102254400. Its totient is φ = 18019456.

The previous prime is 45247471. The next prime is 45247483. The reversal of 45247480 is 8474254.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45247483) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7194 + ... + 11926.

It is an arithmetic number, because the mean of its divisors is an integer number (3195450).

Almost surely, 2^45247480 is an apocalyptic number.

45247480 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

45247480 is an abundant number, since it is smaller than the sum of its proper divisors (57006920).

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

45247480 is a wasteful number, since it uses less digits than its factorization.

45247480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4983 (or 4979 counting only the distinct ones).

The product of its (nonzero) digits is 35840, while the sum is 34.

The square root of 45247480 is about 6726.6247108041. The cubic root of 45247480 is about 356.3401831807.

The spelling of 45247480 in words is "forty-five million, two hundred forty-seven thousand, four hundred eighty".