45529780 has 24 divisors (see below), whose sum is σ = 96039720. Its totient is φ = 18130560.

The previous prime is 45529777. The next prime is 45529787. The reversal of 45529780 is 8792554.

It can be written as a sum of positive squares in 4 ways, for example, as 1731856 + 43797924 = 1316^2 + 6618^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45529787) 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, 391 + ... + 9550.

It is an arithmetic number, because the mean of its divisors is an integer number (4001655).

Almost surely, 2^45529780 is an apocalyptic number.

It is an amenable number.

45529780 is an abundant number, since it is smaller than the sum of its proper divisors (50509940).

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

45529780 is a wasteful number, since it uses less digits than its factorization.

45529780 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10179 (or 10177 counting only the distinct ones).

The product of its (nonzero) digits is 100800, while the sum is 40.

The square root of 45529780 is about 6747.5758610037. The cubic root of 45529780 is about 357.0797186671.

The spelling of 45529780 in words is "forty-five million, five hundred twenty-nine thousand, seven hundred eighty".