45517480 has 16 divisors (see below), whose sum is σ = 102414420. Its totient is φ = 18206976.

The previous prime is 45517477. The next prime is 45517487. The reversal of 45517480 is 8471554.

It can be written as a sum of positive squares in 2 ways, for example, as 44063044 + 1454436 = 6638^2 + 1206^2 .

It is not an unprimeable number, because it can be changed into a prime (45517487) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 568929 + ... + 569008.

Almost surely, 2^45517480 is an apocalyptic number.

45517480 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

45517480 is an abundant number, since it is smaller than the sum of its proper divisors (56896940).

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

45517480 is a wasteful number, since it uses less digits than its factorization.

45517480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1137948 (or 1137944 counting only the distinct ones).

The product of its (nonzero) digits is 22400, while the sum is 34.

The square root of 45517480 is about 6746.6643610009. The cubic root of 45517480 is about 357.0475604027.

The spelling of 45517480 in words is "forty-five million, five hundred seventeen thousand, four hundred eighty".