45142733 has 16 divisors (see below), whose sum is σ = 47604480. Its totient is φ = 42771456.

The previous prime is 45142717. The next prime is 45142751. The reversal of 45142733 is 33724154.

It is a happy number.

45142733 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 45142733 - 2⁴ = 45142717 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 45142696 and 45142705.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45142703) 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, 329441 + ... + 329577.

It is an arithmetic number, because the mean of its divisors is an integer number (2975280).

Almost surely, 2^45142733 is an apocalyptic number.

45142733 is a gapful number since it is divisible by the number (43) formed by its first and last digit.

It is an amenable number.

45142733 is a deficient number, since it is larger than the sum of its proper divisors (2461747).

45142733 is a wasteful number, since it uses less digits than its factorization.

45142733 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 356.

The product of its digits is 10080, while the sum is 29.

The square root of 45142733 is about 6718.8341994724. The cubic root of 45142733 is about 356.0649972852.

Adding to 45142733 its reverse (33724154), we get a palindrome (78866887).

The spelling of 45142733 in words is "forty-five million, one hundred forty-two thousand, seven hundred thirty-three".