45132340 has 48 divisors (see below), whose sum is σ = 103912704. Its totient is φ = 16329600.

The previous prime is 45132317. The next prime is 45132343. The reversal of 45132340 is 4323154.

It is a super-2 number, since 2×45132340² = 4073856227751200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45132343) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 59242 + ... + 59998.

It is an arithmetic number, because the mean of its divisors is an integer number (2164848).

Almost surely, 2^45132340 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 45132340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (51956352).

45132340 is an abundant number, since it is smaller than the sum of its proper divisors (58780364).

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

45132340 is a wasteful number, since it uses less digits than its factorization.

45132340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1048 (or 1046 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 22.

The square root of 45132340 is about 6718.0607320863. The cubic root of 45132340 is about 356.0376701290.

Adding to 45132340 its reverse (4323154), we get a palindrome (49455494).

The spelling of 45132340 in words is "forty-five million, one hundred thirty-two thousand, three hundred forty".