45047480 has 32 divisors (see below), whose sum is σ = 106693200. Its totient is φ = 17070336.

The previous prime is 45047477. The next prime is 45047489. The reversal of 45047480 is 8474054.

It is a super-3 number, since 3×45047480³ (a number of 24 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45047489) 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, 28877 + ... + 30396.

Almost surely, 2^45047480 is an apocalyptic number.

45047480 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

45047480 is an abundant number, since it is smaller than the sum of its proper divisors (61645720).

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

45047480 is a wasteful number, since it uses less digits than its factorization.

45047480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59303 (or 59299 counting only the distinct ones).

The product of its (nonzero) digits is 17920, while the sum is 32.

The square root of 45047480 is about 6711.7419497475. The cubic root of 45047480 is about 355.8143837325.

The spelling of 45047480 in words is "forty-five million, forty-seven thousand, four hundred eighty".