45540770 has 48 divisors (see below), whose sum is σ = 91728504. Its totient is φ = 16262400.

The previous prime is 45540769. The next prime is 45540779. The reversal of 45540770 is 7704554.

It can be written as a sum of positive squares in 4 ways, for example, as 10387729 + 35153041 = 3223^2 + 5929^2 .

It is a Smith number, since the sum of its digits (32) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (45540779) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 73502 + ... + 74118.

Almost surely, 2^45540770 is an apocalyptic number.

45540770 is an abundant number, since it is smaller than the sum of its proper divisors (46187734).

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

45540770 is a wasteful number, since it uses less digits than its factorization.

45540770 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 707 (or 696 counting only the distinct ones).

The product of its (nonzero) digits is 19600, while the sum is 32.

The square root of 45540770 is about 6748.3901784055. The cubic root of 45540770 is about 357.1084470467.

The spelling of 45540770 in words is "forty-five million, five hundred forty thousand, seven hundred seventy".