45213040 has 20 divisors (see below), whose sum is σ = 105120504. Its totient is φ = 18085184.

The previous prime is 45213029. The next prime is 45213053. The reversal of 45213040 is 4031254.

45213040 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (20).

It is a junction number, because it is equal to n+sod(n) for n = 45212999 and 45213017.

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 3 ways as a sum of consecutive naturals, for example, 282502 + ... + 282661.

Almost surely, 2^45213040 is an apocalyptic number.

45213040 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

45213040 is an abundant number, since it is smaller than the sum of its proper divisors (59907464).

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

45213040 is a wasteful number, since it uses less digits than its factorization.

45213040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 565176 (or 565170 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 19.

The square root of 45213040 is about 6724.0642471648. The cubic root of 45213040 is about 356.2497511027.

Adding to 45213040 its reverse (4031254), we get a palindrome (49244294).

The spelling of 45213040 in words is "forty-five million, two hundred thirteen thousand, forty".