45473000 has 64 divisors (see below), whose sum is σ = 109371600. Its totient is φ = 17683200.

The previous prime is 45472997. The next prime is 45473003. The reversal of 45473000 is 37454.

It is an interprime number because it is at equal distance from previous prime (45472997) and next prime (45473003).

It can be written as a sum of positive squares in 8 ways, for example, as 20811844 + 24661156 = 4562^2 + 4966^2 .

It is not an unprimeable number, because it can be changed into a prime (45473003) 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, 36386 + ... + 37614.

Almost surely, 2^45473000 is an apocalyptic number.

45473000 is a gapful number since it is divisible by the number (40) 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 45473000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (54685800).

45473000 is an abundant number, since it is smaller than the sum of its proper divisors (63898600).

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

45473000 is a wasteful number, since it uses less digits than its factorization.

45473000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1287 (or 1273 counting only the distinct ones).

The product of its (nonzero) digits is 1680, while the sum is 23.

The square root of 45473000 is about 6743.3671114659. The cubic root of 45473000 is about 356.9312193731.

The spelling of 45473000 in words is "forty-five million, four hundred seventy-three thousand".