45411138 has 32 divisors (see below), whose sum is σ = 101142720. Its totient is φ = 15102720.

The previous prime is 45411137. The next prime is 45411143. The reversal of 45411138 is 83111454.

It is a happy number.

45411138 is a `hidden beast` number, since 4 + 541 + 113 + 8 = 666.

45411138 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 (27).

It is not an unprimeable number, because it can be changed into a prime (45411137) 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 15 ways as a sum of consecutive naturals, for example, 36706 + ... + 37922.

It is an arithmetic number, because the mean of its divisors is an integer number (3160710).

Almost surely, 2^45411138 is an apocalyptic number.

45411138 is an abundant number, since it is smaller than the sum of its proper divisors (55731582).

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

45411138 is a wasteful number, since it uses less digits than its factorization.

45411138 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1919 (or 1913 counting only the distinct ones).

The product of its digits is 1920, while the sum is 27.

The square root of 45411138 is about 6738.7786727270. The cubic root of 45411138 is about 356.7692881208.

The spelling of 45411138 in words is "forty-five million, four hundred eleven thousand, one hundred thirty-eight".