45475140 has 96 divisors (see below), whose sum is σ = 137281536. Its totient is φ = 11214720.

The previous prime is 45475091. The next prime is 45475141. The reversal of 45475140 is 4157454.

45475140 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 45475098 and 45475107.

It is not an unprimeable number, because it can be changed into a prime (45475141) 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 31 ways as a sum of consecutive naturals, for example, 42249 + ... + 43311.

It is an arithmetic number, because the mean of its divisors is an integer number (1430016).

Almost surely, 2^45475140 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 45475140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (68640768).

45475140 is an abundant number, since it is smaller than the sum of its proper divisors (91806396).

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

45475140 is a wasteful number, since it uses less digits than its factorization.

45475140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1129 (or 1127 counting only the distinct ones).

The product of its (nonzero) digits is 11200, while the sum is 30.

The square root of 45475140 is about 6743.5257840391. The cubic root of 45475140 is about 356.9368184527.

The spelling of 45475140 in words is "forty-five million, four hundred seventy-five thousand, one hundred forty".