45343040 has 28 divisors (see below), whose sum is σ = 107973876. Its totient is φ = 18137088.

The previous prime is 45343033. The next prime is 45343057. The reversal of 45343040 is 4034354.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 20502784 + 24840256 = 4528^2 + 4984^2 .

It is a junction number, because it is equal to n+sod(n) for n = 45342997 and 45343015.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 70529 + ... + 71168.

Almost surely, 2^45343040 is an apocalyptic number.

45343040 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

45343040 is an abundant number, since it is smaller than the sum of its proper divisors (62630836).

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

45343040 is a wasteful number, since it uses less digits than its factorization.

45343040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 141714 (or 141704 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 23.

The square root of 45343040 is about 6733.7240810713. The cubic root of 45343040 is about 356.5908632491.

Adding to 45343040 its reverse (4034354), we get a palindrome (49377394).

The spelling of 45343040 in words is "forty-five million, three hundred forty-three thousand, forty".