45013140 has 36 divisors (see below), whose sum is σ = 136540404. Its totient is φ = 12003456.

The previous prime is 45013123. The next prime is 45013151. The reversal of 45013140 is 4131054.

It is a happy number.

45013140 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 15397776 + 29615364 = 3924^2 + 5442^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 124857 + ... + 125216.

It is an arithmetic number, because the mean of its divisors is an integer number (3792789).

Almost surely, 2^45013140 is an apocalyptic number.

It is an amenable number.

45013140 is an abundant number, since it is smaller than the sum of its proper divisors (91527264).

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

45013140 is a wasteful number, since it uses less digits than its factorization.

45013140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 250088 (or 250083 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 18.

The square root of 45013140 is about 6709.1832587879. The cubic root of 45013140 is about 355.7239475080.

Adding to 45013140 its reverse (4131054), we get a palindrome (49144194).

The spelling of 45013140 in words is "forty-five million, thirteen thousand, one hundred forty".