45455140 has 12 divisors (see below), whose sum is σ = 95455836. Its totient is φ = 18182048.

The previous prime is 45455117. The next prime is 45455143. The reversal of 45455140 is 4155454.

45455140 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 16208676 + 29246464 = 4026^2 + 5408^2 .

It is a junction number, because it is equal to n+sod(n) for n = 45455099 and 45455108.

It is not an unprimeable number, because it can be changed into a prime (45455143) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1136359 + ... + 1136398.

It is an arithmetic number, because the mean of its divisors is an integer number (7954653).

Almost surely, 2^45455140 is an apocalyptic number.

It is an amenable number.

45455140 is an abundant number, since it is smaller than the sum of its proper divisors (50000696).

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

45455140 is a wasteful number, since it uses less digits than its factorization.

45455140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2272766 (or 2272764 counting only the distinct ones).

The product of its (nonzero) digits is 8000, while the sum is 28.

The square root of 45455140 is about 6742.0427171592. The cubic root of 45455140 is about 356.8844837546.

The spelling of 45455140 in words is "forty-five million, four hundred fifty-five thousand, one hundred forty".